56586749280 has 48 divisors (see below), whose sum is σ = 178248261744. Its totient is φ = 15089799680.

The previous prime is 56586749267. The next prime is 56586749371. The reversal of 56586749280 is 8294768565.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 58944051 + ... + 58945010.

It is an arithmetic number, because the mean of its divisors is an integer number (3713505453).

Almost surely, 2^56586749280 is an apocalyptic number.

It is an amenable number.

56586749280 is an abundant number, since it is smaller than the sum of its proper divisors (121661512464).

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

56586749280 is a wasteful number, since it uses less digits than its factorization.

56586749280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117889079 (or 117889071 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 56586749280 in words is "fifty-six billion, five hundred eighty-six million, seven hundred forty-nine thousand, two hundred eighty".