55900704978 has 24 divisors (see below), whose sum is σ = 121647103500. Its totient is φ = 18552197664.

The previous prime is 55900704953. The next prime is 55900704997. The reversal of 55900704978 is 87940700955.

55900704978 is a `hidden beast` number, since 5 + 590 + 0 + 7 + 0 + 49 + 7 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55770128649 + 130576329 = 236157^2 + 11427^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6776653 + ... + 6784896.

Almost surely, 2^55900704978 is an apocalyptic number.

55900704978 is an abundant number, since it is smaller than the sum of its proper divisors (65746398522).

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

55900704978 is a wasteful number, since it uses less digits than its factorization.

55900704978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13561786 (or 13561783 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 54.

The spelling of 55900704978 in words is "fifty-five billion, nine hundred million, seven hundred four thousand, nine hundred seventy-eight".