57490252565 has 8 divisors (see below), whose sum is σ = 68990693760. Its totient is φ = 45990608272.

The previous prime is 57490252541. The next prime is 57490252579. The reversal of 57490252565 is 56525209475.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57490252565 - 2²² = 57486058261 is a prime.

It is a super-3 number, since 3×57490252565³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26969 + ... + 340158.

It is an arithmetic number, because the mean of its divisors is an integer number (8623836720).

Almost surely, 2^57490252565 is an apocalyptic number.

It is an amenable number.

57490252565 is a deficient number, since it is larger than the sum of its proper divisors (11500441195).

57490252565 is a wasteful number, since it uses less digits than its factorization.

57490252565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398451.

The product of its (nonzero) digits is 3780000, while the sum is 50.

The spelling of 57490252565 in words is "fifty-seven billion, four hundred ninety million, two hundred fifty-two thousand, five hundred sixty-five".