57212134 has 16 divisors (see below), whose sum is σ = 98438688. Its totient is φ = 24429312.

The previous prime is 57212117. The next prime is 57212167. The reversal of 57212134 is 43121275.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 57212099 and 57212108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3499 + ... + 11254.

It is an arithmetic number, because the mean of its divisors is an integer number (6152418).

Almost surely, 2^57212134 is an apocalyptic number.

57212134 is a deficient number, since it is larger than the sum of its proper divisors (41226554).

57212134 is a wasteful number, since it uses less digits than its factorization.

57212134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15039.

The product of its digits is 1680, while the sum is 25.

The square root of 57212134 is about 7563.8703056041. The cubic root of 57212134 is about 385.3269477742.

The spelling of 57212134 in words is "fifty-seven million, two hundred twelve thousand, one hundred thirty-four".