57212352 has 112 divisors (see below), whose sum is σ = 170261280. Its totient is φ = 18837504.

The previous prime is 57212347. The next prime is 57212377. The reversal of 57212352 is 25321275.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195118 + ... + 195410.

It is an arithmetic number, because the mean of its divisors is an integer number (1520190).

Almost surely, 2^57212352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57212352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85130640).

57212352 is an abundant number, since it is smaller than the sum of its proper divisors (113048928).

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

57212352 is a wasteful number, since it uses less digits than its factorization.

57212352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 411 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 57212352 is about 7563.8847162024. The cubic root of 57212352 is about 385.3274371877.

The spelling of 57212352 in words is "fifty-seven million, two hundred twelve thousand, three hundred fifty-two".