54511998 has 16 divisors (see below), whose sum is σ = 109111440. Its totient is φ = 18156096.

The previous prime is 54511987. The next prime is 54511999. The reversal of 54511998 is 89911545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54511999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6738 + ... + 12426.

It is an arithmetic number, because the mean of its divisors is an integer number (6819465).

Almost surely, 2^54511998 is an apocalyptic number.

54511998 is an abundant number, since it is smaller than the sum of its proper divisors (54599442).

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

54511998 is a wasteful number, since it uses less digits than its factorization.

54511998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7291.

The product of its digits is 64800, while the sum is 42.

The square root of 54511998 is about 7383.2240924951. The cubic root of 54511998 is about 379.1671464041.

The spelling of 54511998 in words is "fifty-four million, five hundred eleven thousand, nine hundred ninety-eight".