55112643964 has 36 divisors (see below), whose sum is σ = 112499448096. Its totient is φ = 23555314944.

The previous prime is 55112643941. The next prime is 55112643967. The reversal of 55112643964 is 46934621155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55112643967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311157 + ... + 455020.

Almost surely, 2^55112643964 is an apocalyptic number.

It is an amenable number.

55112643964 is an abundant number, since it is smaller than the sum of its proper divisors (57386804132).

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

55112643964 is a wasteful number, since it uses less digits than its factorization.

55112643964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766562 (or 766553 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The spelling of 55112643964 in words is "fifty-five billion, one hundred twelve million, six hundred forty-three thousand, nine hundred sixty-four".