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54252855 = 335795087
BaseRepresentation
bin1100111011110…
…1010100110111
310210002022221000
43032331110313
5102342042410
65214454343
71226066406
oct316752467
9123068830
1054252855
1128695a78
12162043b3
13b3170a7
1472c363d
154b69dc0
hex33bd537

54252855 has 32 divisors (see below), whose sum is σ = 97689600. Its totient is φ = 28562976.

The previous prime is 54252839. The next prime is 54252859. The reversal of 54252855 is 55825245.

It is a happy number.

It is not a de Polignac number, because 54252855 - 24 = 54252839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54252859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8122 + ... + 13208.

It is an arithmetic number, because the mean of its divisors is an integer number (3052800).

Almost surely, 254252855 is an apocalyptic number.

54252855 is a deficient number, since it is larger than the sum of its proper divisors (43436745).

54252855 is a wasteful number, since it uses less digits than its factorization.

54252855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180 (or 5174 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

The square root of 54252855 is about 7365.6537388069. The cubic root of 54252855 is about 378.5653545619.

The spelling of 54252855 in words is "fifty-four million, two hundred fifty-two thousand, eight hundred fifty-five".

Divisors: 1 3 5 9 15 27 45 79 135 237 395 711 1185 2133 3555 5087 10665 15261 25435 45783 76305 137349 228915 401873 686745 1205619 2009365 3616857 6028095 10850571 18084285 54252855