57002217 has 16 divisors (see below), whose sum is σ = 77137920. Its totient is φ = 37438352.

The previous prime is 57002203. The next prime is 57002221. The reversal of 57002217 is 71220075.

It is a cyclic number.

It is not a de Polignac number, because 57002217 - 2¹⁴ = 56985833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57002317) 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, 76348 + ... + 77090.

It is an arithmetic number, because the mean of its divisors is an integer number (4821120).

Almost surely, 2^57002217 is an apocalyptic number.

It is an amenable number.

57002217 is a deficient number, since it is larger than the sum of its proper divisors (20135703).

57002217 is a wasteful number, since it uses less digits than its factorization.

57002217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092.

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

The square root of 57002217 is about 7549.9812582549. The cubic root of 57002217 is about 384.8551026110.

The spelling of 57002217 in words is "fifty-seven million, two thousand, two hundred seventeen".