54949992 has 16 divisors (see below), whose sum is σ = 137375040. Its totient is φ = 18316656.

The previous prime is 54949991. The next prime is 54949997. The reversal of 54949992 is 29994945.

It is not an unprimeable number, because it can be changed into a prime (54949991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144768 + ... + 1144815.

It is an arithmetic number, because the mean of its divisors is an integer number (8585940).

Almost surely, 2^54949992 is an apocalyptic number.

It is an amenable number.

54949992 is an abundant number, since it is smaller than the sum of its proper divisors (82425048).

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

54949992 is a wasteful number, since it uses less digits than its factorization.

54949992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289592 (or 2289588 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 51.

The square root of 54949992 is about 7412.8261816935. The cubic root of 54949992 is about 380.1799517036.

The spelling of 54949992 in words is "fifty-four million, nine hundred forty-nine thousand, nine hundred ninety-two".