55984848956 has 6 divisors (see below), whose sum is σ = 97973485680. Its totient is φ = 27992424476.

The previous prime is 55984848937. The next prime is 55984848971. The reversal of 55984848956 is 65984848955.

It is a super-2 number, since 2×55984848956² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55984848956.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6998106116 + ... + 6998106123.

It is an arithmetic number, because the mean of its divisors is an integer number (16328914280).

Almost surely, 2^55984848956 is an apocalyptic number.

It is an amenable number.

55984848956 is a deficient number, since it is larger than the sum of its proper divisors (41988636724).

55984848956 is a wasteful number, since it uses less digits than its factorization.

55984848956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13996212243 (or 13996212241 counting only the distinct ones).

The product of its digits is 497664000, while the sum is 71.

Subtracting 55984848956 from its reverse (65984848955), we obtain a palindrome (9999999999).

The spelling of 55984848956 in words is "fifty-five billion, nine hundred eighty-four million, eight hundred forty-eight thousand, nine hundred fifty-six".