57969135 has 32 divisors (see below), whose sum is σ = 117780480. Its totient is φ = 26499744.

The previous prime is 57969127. The next prime is 57969139. The reversal of 57969135 is 53196975.

57969135 is a `hidden beast` number, since 579 + 69 + 13 + 5 = 666.

It is not a de Polignac number, because 57969135 - 2³ = 57969127 is a prime.

It is a super-2 number, since 2×57969135² = 6720841225296450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57969139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29727 + ... + 31616.

It is an arithmetic number, because the mean of its divisors is an integer number (3680640).

Almost surely, 2^57969135 is an apocalyptic number.

57969135 is an abundant number, since it is smaller than the sum of its proper divisors (59811345).

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

57969135 is a wasteful number, since it uses less digits than its factorization.

57969135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61364 (or 61358 counting only the distinct ones).

The product of its digits is 255150, while the sum is 45.

The square root of 57969135 is about 7613.7464496790. The cubic root of 57969135 is about 387.0189883118.

The spelling of 57969135 in words is "fifty-seven million, nine hundred sixty-nine thousand, one hundred thirty-five".