57211352 has 32 divisors (see below), whose sum is σ = 117504000. Its totient is φ = 25898400.

The previous prime is 57211331. The next prime is 57211387. The reversal of 57211352 is 25311275.

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, 22649 + ... + 25047.

It is an arithmetic number, because the mean of its divisors is an integer number (3672000).

Almost surely, 2^57211352 is an apocalyptic number.

It is an amenable number.

57211352 is an abundant number, since it is smaller than the sum of its proper divisors (60292648).

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

57211352 is a wasteful number, since it uses less digits than its factorization.

57211352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687 (or 2683 counting only the distinct ones).

The product of its digits is 2100, while the sum is 26.

The square root of 57211352 is about 7563.8186123148. The cubic root of 57211352 is about 385.3251921615.

The spelling of 57211352 in words is "fifty-seven million, two hundred eleven thousand, three hundred fifty-two".