55391427525164 has 12 divisors (see below), whose sum is σ = 97422108714000. Its totient is φ = 27556539321168.

The previous prime is 55391427525151. The next prime is 55391427525173. The reversal of 55391427525164 is 46152572419355.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34793609459 + ... + 34793611050.

It is an arithmetic number, because the mean of its divisors is an integer number (8118509059500).

Almost surely, 2^{55391427525164} is an apocalyptic number.

It is an amenable number.

55391427525164 is a deficient number, since it is larger than the sum of its proper divisors (42030681188836).

55391427525164 is a wasteful number, since it uses less digits than its factorization.

55391427525164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69587220712 (or 69587220710 counting only the distinct ones).

The product of its digits is 45360000, while the sum is 59.

The spelling of 55391427525164 in words is "fifty-five trillion, three hundred ninety-one billion, four hundred twenty-seven million, five hundred twenty-five thousand, one hundred sixty-four".