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55492801 = 7133791609
BaseRepresentation
bin1101001110110…
…0000011000001
310212102022210221
43103230003001
5103201232201
65301223041
71242452410
oct323540301
9125368727
1055492801
1129362621
1216701a81
13b65c5a0
147527477
154d124a1
hex34ec0c1

55492801 has 16 divisors (see below), whose sum is σ = 68521600. Its totient is φ = 43763328.

The previous prime is 55492799. The next prime is 55492807. The reversal of 55492801 is 10829455.

It is not a de Polignac number, because 55492801 - 21 = 55492799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55492807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33685 + ... + 35293.

It is an arithmetic number, because the mean of its divisors is an integer number (4282600).

Almost surely, 255492801 is an apocalyptic number.

It is an amenable number.

55492801 is a deficient number, since it is larger than the sum of its proper divisors (13028799).

55492801 is a wasteful number, since it uses less digits than its factorization.

55492801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 55492801 is about 7449.3490319625. The cubic root of 55492801 is about 381.4276879870.

The spelling of 55492801 in words is "fifty-five million, four hundred ninety-two thousand, eight hundred one".

Divisors: 1 7 13 91 379 1609 2653 4927 11263 20917 34489 146419 609811 4268677 7927543 55492801