57002106 has 16 divisors (see below), whose sum is σ = 130290624. Its totient is φ = 16286304.

The previous prime is 57002069. The next prime is 57002107. The reversal of 57002106 is 60120075.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57002107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678555 + ... + 678638.

It is an arithmetic number, because the mean of its divisors is an integer number (8143164).

Almost surely, 2^57002106 is an apocalyptic number.

57002106 is an abundant number, since it is smaller than the sum of its proper divisors (73288518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57002106 is a wasteful number, since it uses less digits than its factorization.

57002106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357205.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 57002106 is about 7549.9739072397. The cubic root of 57002106 is about 384.8548528023.

The spelling of 57002106 in words is "fifty-seven million, two thousand, one hundred six".