57008690 has 32 divisors (see below), whose sum is σ = 106638336. Its totient is φ = 21919680.

The previous prime is 57008689. The next prime is 57008713. The reversal of 57008690 is 9680075.

57008690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57008690² = 6499981471032200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57008690.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53099 + ... + 54161.

It is an arithmetic number, because the mean of its divisors is an integer number (3332448).

Almost surely, 2^57008690 is an apocalyptic number.

57008690 is a deficient number, since it is larger than the sum of its proper divisors (49629646).

57008690 is a wasteful number, since it uses less digits than its factorization.

57008690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 57008690 is about 7550.4099226466. The cubic root of 57008690 is about 384.8696697215.

The spelling of 57008690 in words is "fifty-seven million, eight thousand, six hundred ninety".