54187207572 has 12 divisors (see below), whose sum is σ = 126436817696. Its totient is φ = 18062402520.

The previous prime is 54187207561. The next prime is 54187207603. The reversal of 54187207572 is 27570278145.

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

It is a congruent number.

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, 2257800304 + ... + 2257800327.

Almost surely, 2^54187207572 is an apocalyptic number.

It is an amenable number.

54187207572 is an abundant number, since it is smaller than the sum of its proper divisors (72249610124).

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

54187207572 is a wasteful number, since it uses less digits than its factorization.

54187207572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4515600638 (or 4515600636 counting only the distinct ones).

The product of its (nonzero) digits is 1097600, while the sum is 48.

The spelling of 54187207572 in words is "fifty-four billion, one hundred eighty-seven million, two hundred seven thousand, five hundred seventy-two".