55958291556 has 48 divisors (see below), whose sum is σ = 133555666944. Its totient is φ = 18227386656.

The previous prime is 55958291533. The next prime is 55958291581. The reversal of 55958291556 is 65519285955.

It is a happy number.

55958291556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55958291556² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55958291556.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285501 + ... + 439803.

It is an arithmetic number, because the mean of its divisors is an integer number (2782409728).

Almost surely, 2^55958291556 is an apocalyptic number.

It is an amenable number.

55958291556 is an abundant number, since it is smaller than the sum of its proper divisors (77597375388).

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

55958291556 is a wasteful number, since it uses less digits than its factorization.

55958291556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155000 (or 154998 counting only the distinct ones).

The product of its digits is 24300000, while the sum is 60.

The spelling of 55958291556 in words is "fifty-five billion, nine hundred fifty-eight million, two hundred ninety-one thousand, five hundred fifty-six".