55612391358 has 8 divisors (see below), whose sum is σ = 111224782728. Its totient is φ = 18537463784.

The previous prime is 55612391299. The next prime is 55612391369. The reversal of 55612391358 is 85319321655.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

55612391358 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4634365941 + ... + 4634365952.

It is an arithmetic number, because the mean of its divisors is an integer number (13903097841).

Almost surely, 2^55612391358 is an apocalyptic number.

55612391358 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55612391358 is a wasteful number, since it uses less digits than its factorization.

55612391358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9268731898.

The product of its digits is 972000, while the sum is 48.

The spelling of 55612391358 in words is "fifty-five billion, six hundred twelve million, three hundred ninety-one thousand, three hundred fifty-eight".