57514820 has 24 divisors (see below), whose sum is σ = 131761728. Its totient is φ = 20914400.

The previous prime is 57514819. The next prime is 57514823. The reversal of 57514820 is 2841575.

57514820 = 119² + 120² + ... + 558².

It is not an unprimeable number, because it can be changed into a prime (57514823) 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, 130496 + ... + 130935.

It is an arithmetic number, because the mean of its divisors is an integer number (5490072).

Almost surely, 2^57514820 is an apocalyptic number.

It is an amenable number.

57514820 is an abundant number, since it is smaller than the sum of its proper divisors (74246908).

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

57514820 is a wasteful number, since it uses less digits than its factorization.

57514820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261451 (or 261449 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 57514820 is about 7583.8525829554. The cubic root of 57514820 is about 386.0052886601.

The spelling of 57514820 in words is "fifty-seven million, five hundred fourteen thousand, eight hundred twenty".