55501556352 has 64 divisors (see below), whose sum is σ = 160828385760. Its totient is φ = 16818652160.

The previous prime is 55501556347. The next prime is 55501556471. The reversal of 55501556352 is 25365510555.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6565563 + ... + 6574010.

Almost surely, 2^55501556352 is an apocalyptic number.

It is an amenable number.

55501556352 is an abundant number, since it is smaller than the sum of its proper divisors (105326829408).

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

55501556352 is a wasteful number, since it uses less digits than its factorization.

55501556352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13139601 (or 13139589 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 42.

The spelling of 55501556352 in words is "fifty-five billion, five hundred one million, five hundred fifty-six thousand, three hundred fifty-two".