54490812 has 24 divisors (see below), whose sum is σ = 129231312. Its totient is φ = 17865600.

The previous prime is 54490789. The next prime is 54490829. The reversal of 54490812 is 21809445.

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, 36489 + ... + 37952.

It is an arithmetic number, because the mean of its divisors is an integer number (5384638).

Almost surely, 2^54490812 is an apocalyptic number.

It is an amenable number.

54490812 is an abundant number, since it is smaller than the sum of its proper divisors (74740500).

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

54490812 is a wasteful number, since it uses less digits than its factorization.

54490812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74509 (or 74507 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 54490812 is about 7381.7892140050. The cubic root of 54490812 is about 379.1180191395.

The spelling of 54490812 in words is "fifty-four million, four hundred ninety thousand, eight hundred twelve".