57220107 has 16 divisors (see below), whose sum is σ = 88422912. Its totient is φ = 32235840.

The previous prime is 57220099. The next prime is 57220127. The reversal of 57220107 is 70102275.

It is not a de Polignac number, because 57220107 - 2³ = 57220099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57220127) 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, 17698 + ... + 20679.

It is an arithmetic number, because the mean of its divisors is an integer number (5526432).

Almost surely, 2^57220107 is an apocalyptic number.

57220107 is a deficient number, since it is larger than the sum of its proper divisors (31202805).

57220107 is a wasteful number, since it uses less digits than its factorization.

57220107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38458.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 57220107 is about 7564.3973322400. The cubic root of 57220107 is about 385.3448464776.

The spelling of 57220107 in words is "fifty-seven million, two hundred twenty thousand, one hundred seven".