57002690 has 16 divisors (see below), whose sum is σ = 106143480. Its totient is φ = 22014720.

The previous prime is 57002689. The next prime is 57002713. The reversal of 57002690 is 9620075.

57002690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 47596201 + 9406489 = 6899^2 + 3067^2 .

It is a super-2 number, since 2×57002690² = 6498613334472200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

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 7 ways as a sum of consecutive naturals, for example, 97991 + ... + 98570.

Almost surely, 2^57002690 is an apocalyptic number.

57002690 is a deficient number, since it is larger than the sum of its proper divisors (49140790).

57002690 is a wasteful number, since it uses less digits than its factorization.

57002690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196597.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 57002690 is about 7550.0125827710. The cubic root of 57002690 is about 384.8561671073.

The spelling of 57002690 in words is "fifty-seven million, two thousand, six hundred ninety".