55950697992 has 128 divisors (see below), whose sum is σ = 162039398400. Its totient is φ = 15768749568.

The previous prime is 55950697969. The next prime is 55950698029. The reversal of 55950697992 is 29979605955.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6619513 + ... + 6627959.

It is an arithmetic number, because the mean of its divisors is an integer number (1265932800).

Almost surely, 2^55950697992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55950697992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81019699200).

55950697992 is an abundant number, since it is smaller than the sum of its proper divisors (106088700408).

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

55950697992 is a wasteful number, since it uses less digits than its factorization.

55950697992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8995 (or 8991 counting only the distinct ones).

The product of its (nonzero) digits is 68890500, while the sum is 66.

The spelling of 55950697992 in words is "fifty-five billion, nine hundred fifty million, six hundred ninety-seven thousand, nine hundred ninety-two".