54527635638 has 24 divisors (see below), whose sum is σ = 135020812368. Its totient is φ = 15579324432.

The previous prime is 54527635627. The next prime is 54527635691. The reversal of 54527635638 is 83653672545.

54527635638 is a `hidden beast` number, since 5 + 4 + 5 + 2 + 76 + 3 + 563 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216379381 + ... + 216379632.

It is an arithmetic number, because the mean of its divisors is an integer number (5625867182).

Almost surely, 2^54527635638 is an apocalyptic number.

54527635638 is an abundant number, since it is smaller than the sum of its proper divisors (80493176730).

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

54527635638 is a wasteful number, since it uses less digits than its factorization.

54527635638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432759028 (or 432759025 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 54.

The spelling of 54527635638 in words is "fifty-four billion, five hundred twenty-seven million, six hundred thirty-five thousand, six hundred thirty-eight".