57551952 has 20 divisors (see below), whose sum is σ = 148676000. Its totient is φ = 19183968.

The previous prime is 57551947. The next prime is 57551981. The reversal of 57551952 is 25915575.

It is a self number, because there is not a number n which added to its sum of digits gives 57551952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599452 + ... + 599547.

It is an arithmetic number, because the mean of its divisors is an integer number (7433800).

Almost surely, 2^57551952 is an apocalyptic number.

It is an amenable number.

57551952 is an abundant number, since it is smaller than the sum of its proper divisors (91124048).

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

57551952 is a wasteful number, since it uses less digits than its factorization.

57551952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199010 (or 1199004 counting only the distinct ones).

The product of its digits is 78750, while the sum is 39.

The square root of 57551952 is about 7586.3002840647. The cubic root of 57551952 is about 386.0883400948.

The spelling of 57551952 in words is "fifty-seven million, five hundred fifty-one thousand, nine hundred fifty-two".