54865916 has 24 divisors (see below), whose sum is σ = 110868576. Its totient is φ = 23270400.

The previous prime is 54865903. The next prime is 54865933. The reversal of 54865916 is 61956845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7385 + ... + 12816.

It is an arithmetic number, because the mean of its divisors is an integer number (4619524).

Almost surely, 2^54865916 is an apocalyptic number.

It is an amenable number.

54865916 is an abundant number, since it is smaller than the sum of its proper divisors (56002660).

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

54865916 is a wasteful number, since it uses less digits than its factorization.

54865916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20309 (or 20307 counting only the distinct ones).

The product of its digits is 259200, while the sum is 44.

The square root of 54865916 is about 7407.1530293359. The cubic root of 54865916 is about 379.9859551596.

The spelling of 54865916 in words is "fifty-four million, eight hundred sixty-five thousand, nine hundred sixteen".