57133072 has 10 divisors (see below), whose sum is σ = 110695358. Its totient is φ = 28566528.

The previous prime is 57133003. The next prime is 57133079. The reversal of 57133072 is 27033175.

It can be written as a sum of positive squares in only one way, i.e., 41165056 + 15968016 = 6416^2 + 3996^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57133072.

It is not an unprimeable number, because it can be changed into a prime (57133079) 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 as a sum of consecutive naturals, namely, 1785393 + ... + 1785424.

Almost surely, 2^57133072 is an apocalyptic number.

It is an amenable number.

57133072 is a deficient number, since it is larger than the sum of its proper divisors (53562286).

57133072 is a wasteful number, since it uses less digits than its factorization.

57133072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570825 (or 3570819 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 57133072 is about 7558.6422061108. The cubic root of 57133072 is about 385.1493702747.

The spelling of 57133072 in words is "fifty-seven million, one hundred thirty-three thousand, seventy-two".