54499638 has 16 divisors (see below), whose sum is σ = 114736320. Its totient is φ = 17210376.

The previous prime is 54499589. The next prime is 54499663. The reversal of 54499638 is 83699445.

It is a congruent number.

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, 238920 + ... + 239147.

It is an arithmetic number, because the mean of its divisors is an integer number (7171020).

Almost surely, 2^54499638 is an apocalyptic number.

54499638 is an abundant number, since it is smaller than the sum of its proper divisors (60236682).

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

54499638 is a wasteful number, since it uses less digits than its factorization.

54499638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478091.

The product of its digits is 933120, while the sum is 48.

The square root of 54499638 is about 7382.3870123423. The cubic root of 54499638 is about 379.1384869020.

The spelling of 54499638 in words is "fifty-four million, four hundred ninety-nine thousand, six hundred thirty-eight".