54615992 has 24 divisors (see below), whose sum is σ = 103758240. Its totient is φ = 26951760.

The previous prime is 54615991. The next prime is 54615997. The reversal of 54615992 is 29951645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54615991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54617 + ... + 55607.

It is an arithmetic number, because the mean of its divisors is an integer number (4323260).

Almost surely, 2^54615992 is an apocalyptic number.

It is an amenable number.

54615992 is a deficient number, since it is larger than the sum of its proper divisors (49142248).

54615992 is an equidigital number, since it uses as much as digits as its factorization.

54615992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163 (or 1076 counting only the distinct ones).

The product of its digits is 97200, while the sum is 41.

The square root of 54615992 is about 7390.2633241313. The cubic root of 54615992 is about 379.4081090155.

The spelling of 54615992 in words is "fifty-four million, six hundred fifteen thousand, nine hundred ninety-two".