55751773164 has 12 divisors (see below), whose sum is σ = 130087470744. Its totient is φ = 18583924384.

The previous prime is 55751773159. The next prime is 55751773171. The reversal of 55751773164 is 46137715755.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×55751773164² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2322990537 + ... + 2322990560.

It is an arithmetic number, because the mean of its divisors is an integer number (10840622562).

Almost surely, 2^55751773164 is an apocalyptic number.

It is an amenable number.

55751773164 is an abundant number, since it is smaller than the sum of its proper divisors (74335697580).

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

55751773164 is a wasteful number, since it uses less digits than its factorization.

55751773164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645981104 (or 4645981102 counting only the distinct ones).

The product of its digits is 3087000, while the sum is 51.

The spelling of 55751773164 in words is "fifty-five billion, seven hundred fifty-one million, seven hundred seventy-three thousand, one hundred sixty-four".