55279707020 has 24 divisors (see below), whose sum is σ = 118277715024. Its totient is φ = 21694677056.

The previous prime is 55279706971. The next prime is 55279707023. The reversal of 55279707020 is 2070797255.

It is not an unprimeable number, because it can be changed into a prime (55279707023) 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, 26074274 + ... + 26076393.

It is an arithmetic number, because the mean of its divisors is an integer number (4928238126).

Almost surely, 2^55279707020 is an apocalyptic number.

It is an amenable number.

55279707020 is an abundant number, since it is smaller than the sum of its proper divisors (62998008004).

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

55279707020 is a wasteful number, since it uses less digits than its factorization.

55279707020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52150729 (or 52150727 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 44.

The spelling of 55279707020 in words is "fifty-five billion, two hundred seventy-nine million, seven hundred seven thousand, twenty".