56787442460 has 48 divisors (see below), whose sum is σ = 136431128064. Its totient is φ = 19449799488.

The previous prime is 56787442441. The next prime is 56787442489. The reversal of 56787442460 is 6424478765.

It is a super-2 number, since 2×56787442460² (a number of 22 digits) contains 22 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 15 ways as a sum of consecutive naturals, for example, 74354 + ... + 345113.

It is an arithmetic number, because the mean of its divisors is an integer number (2842315168).

Almost surely, 2^56787442460 is an apocalyptic number.

It is an amenable number.

56787442460 is an abundant number, since it is smaller than the sum of its proper divisors (79643685604).

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

56787442460 is a wasteful number, since it uses less digits than its factorization.

56787442460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420450 (or 420448 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 53.

The spelling of 56787442460 in words is "fifty-six billion, seven hundred eighty-seven million, four hundred forty-two thousand, four hundred sixty".