57055492 has 12 divisors (see below), whose sum is σ = 107527756. Its totient is φ = 26333280.

The previous prime is 57055457. The next prime is 57055541. The reversal of 57055492 is 29455075.

It can be written as a sum of positive squares in 2 ways, for example, as 5875776 + 51179716 = 2424^2 + 7154^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548559 + ... + 548662.

Almost surely, 2^57055492 is an apocalyptic number.

57055492 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57055492 is a deficient number, since it is larger than the sum of its proper divisors (50472264).

57055492 is a wasteful number, since it uses less digits than its factorization.

57055492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097238 (or 1097236 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 57055492 is about 7553.5085887288. The cubic root of 57055492 is about 384.9749621093.

The spelling of 57055492 in words is "fifty-seven million, fifty-five thousand, four hundred ninety-two".