54115992 has 96 divisors (see below), whose sum is σ = 174898800. Its totient is φ = 15458688.

The previous prime is 54115979. The next prime is 54116003. The reversal of 54115992 is 29951145.

54115992 is a `hidden beast` number, since 54 + 11 + 599 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8028 + ... + 13140.

Almost surely, 2^54115992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54115992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87449400).

54115992 is an abundant number, since it is smaller than the sum of its proper divisors (120782808).

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

54115992 is a wasteful number, since it uses less digits than its factorization.

54115992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5142 (or 5125 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 54115992 is about 7356.3572507050. The cubic root of 54115992 is about 378.2467524691.

The spelling of 54115992 in words is "fifty-four million, one hundred fifteen thousand, nine hundred ninety-two".