57051667 has 4 divisors (see below), whose sum is σ = 57773920. Its totient is φ = 56329416.

The previous prime is 57051649. The next prime is 57051697. The reversal of 57051667 is 76615075.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57051667 - 2²³ = 48663059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57051697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361008 + ... + 361165.

It is an arithmetic number, because the mean of its divisors is an integer number (14443480).

Almost surely, 2^57051667 is an apocalyptic number.

57051667 is a deficient number, since it is larger than the sum of its proper divisors (722253).

57051667 is an equidigital number, since it uses as much as digits as its factorization.

57051667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722252.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 57051667 is about 7553.2553908894. The cubic root of 57051667 is about 384.9663590103.

The spelling of 57051667 in words is "fifty-seven million, fifty-one thousand, six hundred sixty-seven".