56783788580 has 96 divisors (see below), whose sum is σ = 122605486080. Its totient is φ = 22083840000.

The previous prime is 56783788577. The next prime is 56783788583. The reversal of 56783788580 is 8588738765.

It is an interprime number because it is at equal distance from previous prime (56783788577) and next prime (56783788583).

It is not an unprimeable number, because it can be changed into a prime (56783788583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44396381 + ... + 44397659.

It is an arithmetic number, because the mean of its divisors is an integer number (1277140480).

Almost surely, 2^56783788580 is an apocalyptic number.

It is an amenable number.

56783788580 is an abundant number, since it is smaller than the sum of its proper divisors (65821697500).

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

56783788580 is a wasteful number, since it uses less digits than its factorization.

56783788580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741 (or 1739 counting only the distinct ones).

The product of its (nonzero) digits is 90316800, while the sum is 65.

The spelling of 56783788580 in words is "fifty-six billion, seven hundred eighty-three million, seven hundred eighty-eight thousand, five hundred eighty".