55199257964 has 6 divisors (see below), whose sum is σ = 96598701444. Its totient is φ = 27599628980.

The previous prime is 55199257921. The next prime is 55199257979. The reversal of 55199257964 is 46975299155.

55199257964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55199257897 and 55199257906.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6899907242 + ... + 6899907249.

It is an arithmetic number, because the mean of its divisors is an integer number (16099783574).

Almost surely, 2^55199257964 is an apocalyptic number.

It is an amenable number.

55199257964 is a deficient number, since it is larger than the sum of its proper divisors (41399443480).

55199257964 is a wasteful number, since it uses less digits than its factorization.

55199257964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13799814495 (or 13799814493 counting only the distinct ones).

The product of its digits is 30618000, while the sum is 62.

The spelling of 55199257964 in words is "fifty-five billion, one hundred ninety-nine million, two hundred fifty-seven thousand, nine hundred sixty-four".