55507546660 has 24 divisors (see below), whose sum is σ = 117697559616. Its totient is φ = 21987454560.

The previous prime is 55507546643. The next prime is 55507546669. The reversal of 55507546660 is 6664570555.

It is not an unprimeable number, because it can be changed into a prime (55507546669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13470646 + ... + 13474765.

It is an arithmetic number, because the mean of its divisors is an integer number (4904064984).

Almost surely, 2^55507546660 is an apocalyptic number.

It is an amenable number.

55507546660 is an abundant number, since it is smaller than the sum of its proper divisors (62190012956).

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

55507546660 is a wasteful number, since it uses less digits than its factorization.

55507546660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26945523 (or 26945521 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 49.

The spelling of 55507546660 in words is "fifty-five billion, five hundred seven million, five hundred forty-six thousand, six hundred sixty".