55929618380 has 12 divisors (see below), whose sum is σ = 117452198640. Its totient is φ = 22371847344.

The previous prime is 55929618379. The next prime is 55929618389. The reversal of 55929618380 is 8381692955.

It is not an unprimeable number, because it can be changed into a prime (55929618389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1398240440 + ... + 1398240479.

It is an arithmetic number, because the mean of its divisors is an integer number (9787683220).

Almost surely, 2^55929618380 is an apocalyptic number.

It is an amenable number.

55929618380 is an abundant number, since it is smaller than the sum of its proper divisors (61522580260).

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

55929618380 is a wasteful number, since it uses less digits than its factorization.

55929618380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796480928 (or 2796480926 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 56.

The spelling of 55929618380 in words is "fifty-five billion, nine hundred twenty-nine million, six hundred eighteen thousand, three hundred eighty".