54689992 has 16 divisors (see below), whose sum is σ = 117192960. Its totient is φ = 23438544.

The previous prime is 54689939. The next prime is 54690007. The reversal of 54689992 is 29998645.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488248 + ... + 488359.

It is an arithmetic number, because the mean of its divisors is an integer number (7324560).

Almost surely, 2^54689992 is an apocalyptic number.

It is an amenable number.

54689992 is an abundant number, since it is smaller than the sum of its proper divisors (62502968).

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

54689992 is a wasteful number, since it uses less digits than its factorization.

54689992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976620 (or 976616 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 52.

The square root of 54689992 is about 7395.2682169073. The cubic root of 54689992 is about 379.5793868671.

The spelling of 54689992 in words is "fifty-four million, six hundred eighty-nine thousand, nine hundred ninety-two".