56669072574 has 8 divisors (see below), whose sum is σ = 113338145160. Its totient is φ = 18889690856.

The previous prime is 56669072563. The next prime is 56669072653. The reversal of 56669072574 is 47527096665.

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

56669072574 is an admirable number.

It is a super-2 number, since 2×56669072574² (a number of 22 digits) 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 3 ways as a sum of consecutive naturals, for example, 4722422709 + ... + 4722422720.

It is an arithmetic number, because the mean of its divisors is an integer number (14167268145).

Almost surely, 2^56669072574 is an apocalyptic number.

56669072574 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56669072574 is a wasteful number, since it uses less digits than its factorization.

56669072574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9444845434.

The product of its (nonzero) digits is 19051200, while the sum is 57.

The spelling of 56669072574 in words is "fifty-six billion, six hundred sixty-nine million, seventy-two thousand, five hundred seventy-four".