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55026025 = 5217433011
BaseRepresentation
bin1101000111101…
…0000101101001
310211112121111221
43101322011221
5103041313100
65243222041
71235466505
oct321720551
9124477457
1055026025
112907395a
1216517921
13b527ca2
147445305
154c6e01a
hex347a169

55026025 has 24 divisors (see below), whose sum is σ = 73950624. Its totient is φ = 40454400.

The previous prime is 55026001. The next prime is 55026043. The reversal of 55026025 is 52062055.

55026025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55026025 - 27 = 55025897 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16770 + ... + 19780.

It is an arithmetic number, because the mean of its divisors is an integer number (3081276).

Almost surely, 255026025 is an apocalyptic number.

It is an amenable number.

55026025 is a deficient number, since it is larger than the sum of its proper divisors (18924599).

55026025 is a wasteful number, since it uses less digits than its factorization.

55026025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081 (or 3076 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 55026025 is about 7417.9528847250. The cubic root of 55026025 is about 380.3552195497.

The spelling of 55026025 in words is "fifty-five million, twenty-six thousand, twenty-five".

Divisors: 1 5 17 25 43 85 215 425 731 1075 3011 3655 15055 18275 51187 75275 129473 255935 647365 1279675 2201041 3236825 11005205 55026025