54404688 has 40 divisors (see below), whose sum is σ = 151358368. Its totient is φ = 16739712.

The previous prime is 54404687. The next prime is 54404711. The reversal of 54404688 is 88640445.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54404687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42970 + ... + 44217.

Almost surely, 2^54404688 is an apocalyptic number.

It is an amenable number.

54404688 is an abundant number, since it is smaller than the sum of its proper divisors (96953680).

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

54404688 is a wasteful number, since it uses less digits than its factorization.

54404688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87211 (or 87205 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 54404688 is about 7375.9533621085. The cubic root of 54404688 is about 378.9181788595.

The spelling of 54404688 in words is "fifty-four million, four hundred four thousand, six hundred eighty-eight".