55623950586 has 32 divisors (see below), whose sum is σ = 123662041920. Its totient is φ = 18533327472.

The previous prime is 55623950549. The next prime is 55623950633. The reversal of 55623950586 is 68505932655.

55623950586 is a `hidden beast` number, since 5 + 5 + 6 + 2 + 3 + 9 + 50 + 586 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 15 ways as a sum of consecutive naturals, for example, 94780 + ... + 346743.

It is an arithmetic number, because the mean of its divisors is an integer number (3864438810).

Almost surely, 2^55623950586 is an apocalyptic number.

55623950586 is an abundant number, since it is smaller than the sum of its proper divisors (68038091334).

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

55623950586 is a wasteful number, since it uses less digits than its factorization.

55623950586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443867 (or 443861 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 54.

The spelling of 55623950586 in words is "fifty-five billion, six hundred twenty-three million, nine hundred fifty thousand, five hundred eighty-six".