55574622720 has 160 divisors (see below), whose sum is σ = 197405936640. Its totient is φ = 14819880960.

The previous prime is 55574622619. The next prime is 55574622731. The reversal of 55574622720 is 2722647555.

55574622720 is a `hidden beast` number, since 5 + 5 + 574 + 6 + 2 + 2 + 72 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332896 + ... + 471135.

It is an arithmetic number, because the mean of its divisors is an integer number (1233787104).

Almost surely, 2^55574622720 is an apocalyptic number.

It is an amenable number.

55574622720 is an abundant number, since it is smaller than the sum of its proper divisors (141831313920).

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

55574622720 is an equidigital number, since it uses as much as digits as its factorization.

55574622720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804063 (or 804041 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 45.

The spelling of 55574622720 in words is "fifty-five billion, five hundred seventy-four million, six hundred twenty-two thousand, seven hundred twenty".