57155152 has 20 divisors (see below), whose sum is σ = 110863936. Its totient is φ = 28545120.

The previous prime is 57155113. The next prime is 57155159. The reversal of 57155152 is 25155175.

It is a super-2 number, since 2×57155152² = 6533422800286208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57155159) by changing a digit.

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, 19273 + ... + 22039.

Almost surely, 2^57155152 is an apocalyptic number.

It is an amenable number.

57155152 is a deficient number, since it is larger than the sum of its proper divisors (53708784).

57155152 is a wasteful number, since it uses less digits than its factorization.

57155152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066 (or 4060 counting only the distinct ones).

The product of its digits is 8750, while the sum is 31.

The square root of 57155152 is about 7560.1026448058. The cubic root of 57155152 is about 385.1989796196.

The spelling of 57155152 in words is "fifty-seven million, one hundred fifty-five thousand, one hundred fifty-two".