55978113652 has 12 divisors (see below), whose sum is σ = 103117577920. Its totient is φ = 26515948536.

The previous prime is 55978113637. The next prime is 55978113679. The reversal of 55978113652 is 25631187955.

It is a happy number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55978113652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368276988 + ... + 368277139.

Almost surely, 2^55978113652 is an apocalyptic number.

It is an amenable number.

55978113652 is a deficient number, since it is larger than the sum of its proper divisors (47139464268).

55978113652 is a wasteful number, since it uses less digits than its factorization.

55978113652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736554150 (or 736554148 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 52.

The spelling of 55978113652 in words is "fifty-five billion, nine hundred seventy-eight million, one hundred thirteen thousand, six hundred fifty-two".