54915198 has 48 divisors (see below), whose sum is σ = 122835456. Its totient is φ = 16342560.

The previous prime is 54915193. The next prime is 54915209. The reversal of 54915198 is 89151945.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54915193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30561 + ... + 32307.

It is an arithmetic number, because the mean of its divisors is an integer number (2559072).

Almost surely, 2^54915198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54915198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61417728).

54915198 is an abundant number, since it is smaller than the sum of its proper divisors (67920258).

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

54915198 is a wasteful number, since it uses less digits than its factorization.

54915198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809 (or 1796 counting only the distinct ones).

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

The square root of 54915198 is about 7410.4789318910. The cubic root of 54915198 is about 380.0996922185.

The spelling of 54915198 in words is "fifty-four million, nine hundred fifteen thousand, one hundred ninety-eight".