55413720474636 has 48 divisors (see below), whose sum is σ = 129857607258624. Its totient is φ = 18391507886016.

The previous prime is 55413720474611. The next prime is 55413720474643. The reversal of 55413720474636 is 63647402731455.

It is a happy 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, 3266206 + ... + 11022501.

It is an arithmetic number, because the mean of its divisors is an integer number (2705366817888).

Almost surely, 2^{55413720474636} is an apocalyptic number.

It is an amenable number.

55413720474636 is an abundant number, since it is smaller than the sum of its proper divisors (74443886783988).

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

55413720474636 is a wasteful number, since it uses less digits than its factorization.

55413720474636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14290110 (or 14290108 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 57.

The spelling of 55413720474636 in words is "fifty-five trillion, four hundred thirteen billion, seven hundred twenty million, four hundred seventy-four thousand, six hundred thirty-six".