53357256 has 48 divisors (see below), whose sum is σ = 148422300. Its totient is φ = 17304192.

The previous prime is 53357243. The next prime is 53357257. The reversal of 53357256 is 65275335.

53357256 is a `hidden beast` number, since 5 + 33 + 572 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 52794756 + 562500 = 7266^2 + 750^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 53357256.

It is not an unprimeable number, because it can be changed into a prime (53357257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7351 + ... + 12678.

Almost surely, 2^53357256 is an apocalyptic number.

It is an amenable number.

53357256 is an abundant number, since it is smaller than the sum of its proper divisors (95065044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53357256 is a wasteful number, since it uses less digits than its factorization.

53357256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20078 (or 20071 counting only the distinct ones).

The product of its digits is 94500, while the sum is 36.

The square root of 53357256 is about 7304.6051227975. The cubic root of 53357256 is about 376.4706833678.

The spelling of 53357256 in words is "fifty-three million, three hundred fifty-seven thousand, two hundred fifty-six".