55739992380 has 96 divisors (see below), whose sum is σ = 157238941440. Its totient is φ = 14753249280.

The previous prime is 55739992349. The next prime is 55739992391. The reversal of 55739992380 is 8329993755.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4792332 + ... + 4803948.

It is an arithmetic number, because the mean of its divisors is an integer number (1637905640).

Almost surely, 2^55739992380 is an apocalyptic number.

It is an amenable number.

55739992380 is an abundant number, since it is smaller than the sum of its proper divisors (101498949060).

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

55739992380 is a wasteful number, since it uses less digits than its factorization.

55739992380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12219 (or 12217 counting only the distinct ones).

The product of its (nonzero) digits is 18370800, while the sum is 60.

The spelling of 55739992380 in words is "fifty-five billion, seven hundred thirty-nine million, nine hundred ninety-two thousand, three hundred eighty".