57133061 has 8 divisors (see below), whose sum is σ = 58068864. Its totient is φ = 56201040.

The previous prime is 57133003. The next prime is 57133079. The reversal of 57133061 is 16033175.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57133061 - 2⁶ = 57132997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57133061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57133001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53216 + ... + 54278.

It is an arithmetic number, because the mean of its divisors is an integer number (7258608).

Almost surely, 2^57133061 is an apocalyptic number.

It is an amenable number.

57133061 is a deficient number, since it is larger than the sum of its proper divisors (935803).

57133061 is a wasteful number, since it uses less digits than its factorization.

57133061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 57133061 is about 7558.6414784669. The cubic root of 57133061 is about 385.1493455567.

The spelling of 57133061 in words is "fifty-seven million, one hundred thirty-three thousand, sixty-one".