57055772 has 12 divisors (see below), whose sum is σ = 101731896. Its totient is φ = 27989520.

The previous prime is 57055759. The next prime is 57055783. The reversal of 57055772 is 27755075.

It is a happy number.

57055772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57055772² = 6510722237031968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134354 + ... + 134777.

It is an arithmetic number, because the mean of its divisors is an integer number (8477658).

Almost surely, 2^57055772 is an apocalyptic number.

It is an amenable number.

57055772 is a deficient number, since it is larger than the sum of its proper divisors (44676124).

57055772 is a wasteful number, since it uses less digits than its factorization.

57055772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269188 (or 269186 counting only the distinct ones).

The product of its (nonzero) digits is 85750, while the sum is 38.

The square root of 57055772 is about 7553.5271231392. The cubic root of 57055772 is about 384.9755918635.

The spelling of 57055772 in words is "fifty-seven million, fifty-five thousand, seven hundred seventy-two".