55145522080 has 96 divisors (see below), whose sum is σ = 150485428800. Its totient is φ = 18873323520.

The previous prime is 55145522059. The next prime is 55145522099. The reversal of 55145522080 is 8022554155.

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, 891630 + ... + 951469.

It is an arithmetic number, because the mean of its divisors is an integer number (1567556550).

Almost surely, 2^55145522080 is an apocalyptic number.

It is an amenable number.

55145522080 is an abundant number, since it is smaller than the sum of its proper divisors (95339906720).

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

55145522080 is a wasteful number, since it uses less digits than its factorization.

55145522080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843142 (or 1843134 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 37.

The spelling of 55145522080 in words is "fifty-five billion, one hundred forty-five million, five hundred twenty-two thousand, eighty".