57100907 has 4 divisors (see below), whose sum is σ = 57245136. Its totient is φ = 56956680.

The previous prime is 57100891. The next prime is 57100919. The reversal of 57100907 is 70900175.

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 57100907 - 2⁴ = 57100891 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 57100907.

It is not an unprimeable number, because it can be changed into a prime (57100997) 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, 71519 + ... + 72312.

It is an arithmetic number, because the mean of its divisors is an integer number (14311284).

Almost surely, 2^57100907 is an apocalyptic number.

57100907 is a deficient number, since it is larger than the sum of its proper divisors (144229).

57100907 is a wasteful number, since it uses less digits than its factorization.

57100907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144228.

The product of its (nonzero) digits is 2205, while the sum is 29.

The square root of 57100907 is about 7556.5142096075. The cubic root of 57100907 is about 385.0770790745.

The spelling of 57100907 in words is "fifty-seven million, one hundred thousand, nine hundred seven".