55616718915828 has 96 divisors (see below), whose sum is σ = 173463450854400. Its totient is φ = 15054149477088.

The previous prime is 55616718915743. The next prime is 55616718915839. The reversal of 55616718915828 is 82851981761655.

55616718915828 is a `hidden beast` number, since 5 + 561 + 6 + 7 + 1 + 8 + 9 + 1 + 58 + 2 + 8 = 666.

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, 1935961650 + ... + 1935990377.

It is an arithmetic number, because the mean of its divisors is an integer number (1806910946400).

Almost surely, 2^{55616718915828} is an apocalyptic number.

It is an amenable number.

55616718915828 is an abundant number, since it is smaller than the sum of its proper divisors (117846731938572).

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

55616718915828 is a wasteful number, since it uses less digits than its factorization.

55616718915828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871952066 (or 3871952058 counting only the distinct ones).

The product of its digits is 290304000, while the sum is 72.

The spelling of 55616718915828 in words is "fifty-five trillion, six hundred sixteen billion, seven hundred eighteen million, nine hundred fifteen thousand, eight hundred twenty-eight".