55388050956 has 72 divisors (see below), whose sum is σ = 160632719520. Its totient is φ = 15763562496.

The previous prime is 55388050841. The next prime is 55388051011. The reversal of 55388050956 is 65905088355.

55388050956 is a `hidden beast` number, since 5 + 5 + 3 + 8 + 80 + 509 + 56 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362851 + ... + 492378.

Almost surely, 2^55388050956 is an apocalyptic number.

It is an amenable number.

55388050956 is an abundant number, since it is smaller than the sum of its proper divisors (105244668564).

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

55388050956 is a wasteful number, since it uses less digits than its factorization.

55388050956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855503 (or 855498 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 54.

The spelling of 55388050956 in words is "fifty-five billion, three hundred eighty-eight million, fifty thousand, nine hundred fifty-six".