55900892440 has 32 divisors (see below), whose sum is σ = 125785964160. Its totient is φ = 22358764800.

The previous prime is 55900892431. The next prime is 55900892471. The reversal of 55900892440 is 4429800955.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 635545 + ... + 718135.

It is an arithmetic number, because the mean of its divisors is an integer number (3930811380).

Almost surely, 2^55900892440 is an apocalyptic number.

It is an amenable number.

55900892440 is an abundant number, since it is smaller than the sum of its proper divisors (69885071720).

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

55900892440 is a wasteful number, since it uses less digits than its factorization.

55900892440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99523 (or 99519 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 55900892440 in words is "fifty-five billion, nine hundred million, eight hundred ninety-two thousand, four hundred forty".