55740934989 has 6 divisors (see below), whose sum is σ = 80514683886. Its totient is φ = 37160623320.

The previous prime is 55740934981. The next prime is 55740935021. The reversal of 55740934989 is 98943904755.

55740934989 is a `hidden beast` number, since 5 + 57 + 4 + 0 + 93 + 498 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43489765764 + 12251169225 = 208542^2 + 110685^2 .

It is not a de Polignac number, because 55740934989 - 2³ = 55740934981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55740934981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3096718602 + ... + 3096718619.

It is an arithmetic number, because the mean of its divisors is an integer number (13419113981).

Almost surely, 2^55740934989 is an apocalyptic number.

It is an amenable number.

55740934989 is a deficient number, since it is larger than the sum of its proper divisors (24773748897).

55740934989 is a wasteful number, since it uses less digits than its factorization.

55740934989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6193437227 (or 6193437224 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 63.

The spelling of 55740934989 in words is "fifty-five billion, seven hundred forty million, nine hundred thirty-four thousand, nine hundred eighty-nine".