57017207 has 12 divisors (see below), whose sum is σ = 64196664. Its totient is φ = 50336880.

The previous prime is 57017171. The next prime is 57017231. The reversal of 57017207 is 70271075.

It is not a de Polignac number, because 57017207 - 2⁶ = 57017143 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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 57017207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57017267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2732 + ... + 11022.

It is an arithmetic number, because the mean of its divisors is an integer number (5349722).

Almost surely, 2^57017207 is an apocalyptic number.

57017207 is a deficient number, since it is larger than the sum of its proper divisors (7179457).

57017207 is a wasteful number, since it uses less digits than its factorization.

57017207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8350 (or 8327 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 29.

The square root of 57017207 is about 7550.9739106952. The cubic root of 57017207 is about 384.8888350555. Note that the first 4 decimals are identical.

The spelling of 57017207 in words is "fifty-seven million, seventeen thousand, two hundred seven".