555315556956 has 48 divisors (see below), whose sum is σ = 1323452457600. Its totient is φ = 181173137472.

The previous prime is 555315556921. The next prime is 555315556969. The reversal of 555315556956 is 659655513555.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 555315556956.

It is a congruent number.

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, 1550410 + ... + 1874673.

It is an arithmetic number, because the mean of its divisors is an integer number (27571926200).

Almost surely, 2^555315556956 is an apocalyptic number.

It is an amenable number.

555315556956 is an abundant number, since it is smaller than the sum of its proper divisors (768136900644).

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

555315556956 is a wasteful number, since it uses less digits than its factorization.

555315556956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425378 (or 3425376 counting only the distinct ones).

The product of its digits is 75937500, while the sum is 60.

The spelling of 555315556956 in words is "five hundred fifty-five billion, three hundred fifteen million, five hundred fifty-six thousand, nine hundred fifty-six".