54536538 has 16 divisors (see below), whose sum is σ = 124655040. Its totient is φ = 15581856.

The previous prime is 54536507. The next prime is 54536563. The reversal of 54536538 is 83563545.

It is a junction number, because it is equal to n+sod(n) for n = 54536496 and 54536505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649203 + ... + 649286.

It is an arithmetic number, because the mean of its divisors is an integer number (7790940).

Almost surely, 2^54536538 is an apocalyptic number.

54536538 is an abundant number, since it is smaller than the sum of its proper divisors (70118502).

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

54536538 is a wasteful number, since it uses less digits than its factorization.

54536538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298501.

The product of its digits is 216000, while the sum is 39.

The square root of 54536538 is about 7384.8857811072. The cubic root of 54536538 is about 379.2240352005.

The spelling of 54536538 in words is "fifty-four million, five hundred thirty-six thousand, five hundred thirty-eight".