57055076 has 18 divisors (see below), whose sum is σ = 108118962. Its totient is φ = 26332800.

The previous prime is 57055057. The next prime is 57055129. The reversal of 57055076 is 67055075.

It can be written as a sum of positive squares in 3 ways, for example, as 4840000 + 52215076 = 2200^2 + 7226^2 .

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41525 + ... + 42876.

It is an arithmetic number, because the mean of its divisors is an integer number (6006609).

Almost surely, 2^57055076 is an apocalyptic number.

It is an amenable number.

57055076 is a deficient number, since it is larger than the sum of its proper divisors (51063886).

57055076 is a wasteful number, since it uses less digits than its factorization.

57055076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84431 (or 84416 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 57055076 is about 7553.4810518065. The cubic root of 57055076 is about 384.9740264706.

Subtracting 57055076 from its reverse (67055075), we obtain a palindrome (9999999).

The spelling of 57055076 in words is "fifty-seven million, fifty-five thousand, seventy-six".