54400880 has 40 divisors (see below), whose sum is σ = 126852000. Its totient is φ = 21696768.

The previous prime is 54400873. The next prime is 54400903. The reversal of 54400880 is 8800445.

It is a tau number, because it is divible by the number of its divisors (40).

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, 34346 + ... + 35894.

It is an arithmetic number, because the mean of its divisors is an integer number (3171300).

Almost surely, 2^54400880 is an apocalyptic number.

It is an amenable number.

54400880 is an abundant number, since it is smaller than the sum of its proper divisors (72451120).

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

54400880 is a wasteful number, since it uses less digits than its factorization.

54400880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001 (or 1995 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 54400880 is about 7375.6952214690. The cubic root of 54400880 is about 378.9093379909.

The spelling of 54400880 in words is "fifty-four million, four hundred thousand, eight hundred eighty".