55516460454560 has 48 divisors (see below), whose sum is σ = 149894443230336. Its totient is φ = 19034215012608.

The previous prime is 55516460454503. The next prime is 55516460454619. The reversal of 55516460454560 is 6545406461555.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 55516460454496 and 55516460454505.

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, 24784133012 + ... + 24784135251.

It is an arithmetic number, because the mean of its divisors is an integer number (3122800900632).

Almost surely, 2^{55516460454560} is an apocalyptic number.

It is an amenable number.

55516460454560 is an abundant number, since it is smaller than the sum of its proper divisors (94377982775776).

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

55516460454560 is a wasteful number, since it uses less digits than its factorization.

55516460454560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49568268285 (or 49568268277 counting only the distinct ones).

The product of its (nonzero) digits is 43200000, while the sum is 56.

The spelling of 55516460454560 in words is "fifty-five trillion, five hundred sixteen billion, four hundred sixty million, four hundred fifty-four thousand, five hundred sixty".