54572428521215 has 16 divisors (see below), whose sum is σ = 71441850130560. Its totient is φ = 39688161109920.

The previous prime is 54572428521157. The next prime is 54572428521229. The reversal of 54572428521215 is 51212582427545.

It is a happy number.

It is not a de Polignac number, because 54572428521215 - 2³⁸ = 54297550614271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8458145 + ... + 13441914.

It is an arithmetic number, because the mean of its divisors is an integer number (4465115633160).

Almost surely, 2^{54572428521215} is an apocalyptic number.

54572428521215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54572428521215 is a deficient number, since it is larger than the sum of its proper divisors (16869421609345).

54572428521215 is a wasteful number, since it uses less digits than its factorization.

54572428521215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21945382.

The product of its digits is 8960000, while the sum is 53.

The spelling of 54572428521215 in words is "fifty-four trillion, five hundred seventy-two billion, four hundred twenty-eight million, five hundred twenty-one thousand, two hundred fifteen".