55973183958 has 48 divisors (see below), whose sum is σ = 121889313936. Its totient is φ = 18563489280.

The previous prime is 55973183923. The next prime is 55973183963. The reversal of 55973183958 is 85938137955.

55973183958 is a `hidden beast` number, since 5 + 597 + 3 + 1 + 8 + 39 + 5 + 8 = 666.

It is a super-2 number, since 2×55973183958² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55973183895 and 55973183904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2969010 + ... + 2987802.

It is an arithmetic number, because the mean of its divisors is an integer number (2539360707).

Almost surely, 2^55973183958 is an apocalyptic number.

55973183958 is an abundant number, since it is smaller than the sum of its proper divisors (65916129978).

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

55973183958 is a wasteful number, since it uses less digits than its factorization.

55973183958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19629 (or 19626 counting only the distinct ones).

The product of its digits is 40824000, while the sum is 63.

The spelling of 55973183958 in words is "fifty-five billion, nine hundred seventy-three million, one hundred eighty-three thousand, nine hundred fifty-eight".