54223621725 has 144 divisors (see below), whose sum is σ = 112704744768. Its totient is φ = 22800476160.

The previous prime is 54223621723. The next prime is 54223621799. The reversal of 54223621725 is 52712632245.

It is not a de Polignac number, because 54223621725 - 2¹ = 54223621723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

Its product of digits (201600) is a multiple of the sum of its prime divisors (4032).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54223621723) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 14665077 + ... + 14668773.

Almost surely, 2^54223621725 is an apocalyptic number.

It is an amenable number.

54223621725 is an abundant number, since it is smaller than the sum of its proper divisors (58481123043).

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

54223621725 is a wasteful number, since it uses less digits than its factorization.

54223621725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044 (or 4032 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The spelling of 54223621725 in words is "fifty-four billion, two hundred twenty-three million, six hundred twenty-one thousand, seven hundred twenty-five".