55254075664 has 20 divisors (see below), whose sum is σ = 107068688460. Its totient is φ = 27623446400.

The previous prime is 55254075649. The next prime is 55254075683. The reversal of 55254075664 is 46657045255.

It can be written as a sum of positive squares in 2 ways, for example, as 14849859600 + 40404216064 = 121860^2 + 201008^2 .

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, 95287 + ... + 345814.

It is an arithmetic number, because the mean of its divisors is an integer number (5353434423).

Almost surely, 2^55254075664 is an apocalyptic number.

It is an amenable number.

55254075664 is a deficient number, since it is larger than the sum of its proper divisors (51814612796).

55254075664 is a wasteful number, since it uses less digits than its factorization.

55254075664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448938 (or 448932 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 49.

The spelling of 55254075664 in words is "fifty-five billion, two hundred fifty-four million, seventy-five thousand, six hundred sixty-four".