55636872347274 has 32 divisors (see below), whose sum is σ = 115567902726144. Its totient is φ = 17837271552240.

The previous prime is 55636872347261. The next prime is 55636872347339. The reversal of 55636872347274 is 47274327863655.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55636872347199 and 55636872347208.

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, 917524804 + ... + 917585439.

It is an arithmetic number, because the mean of its divisors is an integer number (3611496960192).

Almost surely, 2^{55636872347274} is an apocalyptic number.

55636872347274 is an abundant number, since it is smaller than the sum of its proper divisors (59931030378870).

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

55636872347274 is a wasteful number, since it uses less digits than its factorization.

55636872347274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835110442.

The product of its digits is 1422489600, while the sum is 69.

The spelling of 55636872347274 in words is "fifty-five trillion, six hundred thirty-six billion, eight hundred seventy-two million, three hundred forty-seven thousand, two hundred seventy-four".