57103552 has 56 divisors (see below), whose sum is σ = 127924560. Its totient is φ = 25052160.

The previous prime is 57103547. The next prime is 57103583. The reversal of 57103552 is 25530175.

It is a self number, because there is not a number n which added to its sum of digits gives 57103552.

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, 19018 + ... + 21814.

Almost surely, 2^57103552 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 57103552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63962280).

57103552 is an abundant number, since it is smaller than the sum of its proper divisors (70821008).

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

57103552 is a wasteful number, since it uses less digits than its factorization.

57103552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849 (or 2839 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 57103552 is about 7556.6892221395. The cubic root of 57103552 is about 385.0830247661.

The spelling of 57103552 in words is "fifty-seven million, one hundred three thousand, five hundred fifty-two".