57007390 has 16 divisors (see below), whose sum is σ = 111942000. Its totient is φ = 20729920.

The previous prime is 57007387. The next prime is 57007403. The reversal of 57007390 is 9370075.

It is a super-2 number, since 2×57007390² = 6499685029224200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259015 + ... + 259234.

It is an arithmetic number, because the mean of its divisors is an integer number (6996375).

Almost surely, 2^57007390 is an apocalyptic number.

57007390 is a deficient number, since it is larger than the sum of its proper divisors (54934610).

57007390 is a wasteful number, since it uses less digits than its factorization.

57007390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518267.

The product of its (nonzero) digits is 6615, while the sum is 31.

The square root of 57007390 is about 7550.3238341147. The cubic root of 57007390 is about 384.8667442355.

The spelling of 57007390 in words is "fifty-seven million, seven thousand, three hundred ninety".