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52055157 = 3711225347
BaseRepresentation
bin1100011010010…
…0110001110101
310121221200020210
43012210301311
5101311231112
65055420033
71201314210
oct306446165
9117850223
1052055157
11274248a0
1215524619
13aa2798b
146cb0777
154883b3c
hex31a4c75

52055157 has 16 divisors (see below), whose sum is σ = 86533632. Its totient is φ = 27041520.

The previous prime is 52055153. The next prime is 52055219. The reversal of 52055157 is 75155025.

52055157 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 52055157 - 22 = 52055153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52055153) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 112443 + ... + 112904.

It is an arithmetic number, because the mean of its divisors is an integer number (5408352).

Almost surely, 252055157 is an apocalyptic number.

It is an amenable number.

52055157 is a deficient number, since it is larger than the sum of its proper divisors (34478475).

52055157 is a wasteful number, since it uses less digits than its factorization.

52055157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225368.

The product of its (nonzero) digits is 8750, while the sum is 30.

The square root of 52055157 is about 7214.9259871464. The cubic root of 52055157 is about 373.3830396367.

The spelling of 52055157 in words is "fifty-two million, fifty-five thousand, one hundred fifty-seven".

Divisors: 1 3 7 11 21 33 77 231 225347 676041 1577429 2478817 4732287 7436451 17351719 52055157