53112357 has 12 divisors (see below), whose sum is σ = 76781484. Its totient is φ = 35378880.

The previous prime is 53112349. The next prime is 53112361. The reversal of 53112357 is 75321135.

53112357 is a `hidden beast` number, since 531 + 123 + 5 + 7 = 666.

53112357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9036036 + 44076321 = 3006^2 + 6639^2 .

It is not a de Polignac number, because 53112357 - 2³ = 53112349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53112357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53112337) 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 11 ways as a sum of consecutive naturals, for example, 18007 + ... + 20747.

It is an arithmetic number, because the mean of its divisors is an integer number (6398457).

Almost surely, 2^53112357 is an apocalyptic number.

It is an amenable number.

53112357 is a deficient number, since it is larger than the sum of its proper divisors (23669127).

53112357 is a wasteful number, since it uses less digits than its factorization.

53112357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4900 (or 4897 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 53112357 is about 7287.8225143043. The cubic root of 53112357 is about 375.8938251781.

The spelling of 53112357 in words is "fifty-three million, one hundred twelve thousand, three hundred fifty-seven".