57051669 has 16 divisors (see below), whose sum is σ = 79948352. Its totient is φ = 36142848.

The previous prime is 57051649. The next prime is 57051697. The reversal of 57051669 is 96615075.

It is not a de Polignac number, because 57051669 - 2⁸ = 57051413 is a prime.

It is a super-2 number, since 2×57051669² = 6509785871371122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57051619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1204 + ... + 10749.

It is an arithmetic number, because the mean of its divisors is an integer number (4996772).

Almost surely, 2^57051669 is an apocalyptic number.

It is an amenable number.

57051669 is a deficient number, since it is larger than the sum of its proper divisors (22896683).

57051669 is a wasteful number, since it uses less digits than its factorization.

57051669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12036.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 57051669 is about 7553.2555232827. The cubic root of 57051669 is about 384.9663635088.

The spelling of 57051669 in words is "fifty-seven million, fifty-one thousand, six hundred sixty-nine".