55866376500 has 96 divisors (see below), whose sum is σ = 177472294272. Its totient is φ = 13543360000.

The previous prime is 55866376499. The next prime is 55866376519. The reversal of 55866376500 is 567366855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1676421 + ... + 1709420.

It is an arithmetic number, because the mean of its divisors is an integer number (1848669732).

Almost surely, 2^55866376500 is an apocalyptic number.

55866376500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55866376500 is an abundant number, since it is smaller than the sum of its proper divisors (121605917772).

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

55866376500 is a wasteful number, since it uses less digits than its factorization.

55866376500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385874 (or 3385862 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 51.

The spelling of 55866376500 in words is "fifty-five billion, eight hundred sixty-six million, three hundred seventy-six thousand, five hundred".