57660552 has 32 divisors (see below), whose sum is σ = 160168800. Its totient is φ = 19220112.

The previous prime is 57660539. The next prime is 57660557. The reversal of 57660552 is 25506675.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (57660557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133258 + ... + 133689.

It is an arithmetic number, because the mean of its divisors is an integer number (5005275).

Almost surely, 2^57660552 is an apocalyptic number.

It is an amenable number.

57660552 is an abundant number, since it is smaller than the sum of its proper divisors (102508248).

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

57660552 is a wasteful number, since it uses less digits than its factorization.

57660552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266962 (or 266952 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 57660552 is about 7593.4545498080. The cubic root of 57660552 is about 386.3310358770.

The spelling of 57660552 in words is "fifty-seven million, six hundred sixty thousand, five hundred fifty-two".