55386972670 has 16 divisors (see below), whose sum is σ = 99735045840. Its totient is φ = 22146234624.

The previous prime is 55386972581. The next prime is 55386972721. The reversal of 55386972670 is 7627968355.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1042080 + ... + 1093939.

It is an arithmetic number, because the mean of its divisors is an integer number (6233440365).

Almost surely, 2^55386972670 is an apocalyptic number.

55386972670 is a deficient number, since it is larger than the sum of its proper divisors (44348073170).

55386972670 is a wasteful number, since it uses less digits than its factorization.

55386972670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138619.

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 55386972670 in words is "fifty-five billion, three hundred eighty-six million, nine hundred seventy-two thousand, six hundred seventy".