55622456800 has 72 divisors (see below), whose sum is σ = 140168653632. Its totient is φ = 21531264000.

The previous prime is 55622456789. The next prime is 55622456819. The reversal of 55622456800 is 865422655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1096621 + ... + 1146220.

It is an arithmetic number, because the mean of its divisors is an integer number (1946786856).

Almost surely, 2^55622456800 is an apocalyptic number.

55622456800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55622456800 is an abundant number, since it is smaller than the sum of its proper divisors (84546196832).

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

55622456800 is a wasteful number, since it uses less digits than its factorization.

55622456800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242892 (or 2242879 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 55622456800 in words is "fifty-five billion, six hundred twenty-two million, four hundred fifty-six thousand, eight hundred".