54464840 has 32 divisors (see below), whose sum is σ = 122834880. Its totient is φ = 21734592.

The previous prime is 54464833. The next prime is 54464863. The reversal of 54464840 is 4846445.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 54464840.

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, 18767 + ... + 21473.

It is an arithmetic number, because the mean of its divisors is an integer number (3838590).

Almost surely, 2^54464840 is an apocalyptic number.

It is an amenable number.

54464840 is an abundant number, since it is smaller than the sum of its proper divisors (68370040).

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

54464840 is a wasteful number, since it uses less digits than its factorization.

54464840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221 (or 3217 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 54464840 is about 7380.0298102379. The cubic root of 54464840 is about 379.0577764574.

The spelling of 54464840 in words is "fifty-four million, four hundred sixty-four thousand, eight hundred forty".