55562066806380 has 48 divisors (see below), whose sum is σ = 162337864760064. Its totient is φ = 14172353272000.

The previous prime is 55562066806291. The next prime is 55562066806391. The reversal of 55562066806380 is 8360866026555.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 20131182246 + ... + 20131185005.

It is an arithmetic number, because the mean of its divisors is an integer number (3382038849168).

Almost surely, 2^{55562066806380} is an apocalyptic number.

It is an amenable number.

55562066806380 is an abundant number, since it is smaller than the sum of its proper divisors (106775797953684).

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

55562066806380 is a wasteful number, since it uses less digits than its factorization.

55562066806380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40262367286 (or 40262367284 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 60.

The spelling of 55562066806380 in words is "fifty-five trillion, five hundred sixty-two billion, sixty-six million, eight hundred six thousand, three hundred eighty".