54406380 has 48 divisors (see below), whose sum is σ = 174101760. Its totient is φ = 12435648.

The previous prime is 54406379. The next prime is 54406403. The reversal of 54406380 is 8360445.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64350 + ... + 65189.

It is an arithmetic number, because the mean of its divisors is an integer number (3627120).

Almost surely, 2^54406380 is an apocalyptic number.

It is an amenable number.

54406380 is an abundant number, since it is smaller than the sum of its proper divisors (119695380).

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

54406380 is a wasteful number, since it uses less digits than its factorization.

54406380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129558 (or 129556 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 54406380 is about 7376.0680582543. The cubic root of 54406380 is about 378.9221069702.

The spelling of 54406380 in words is "fifty-four million, four hundred six thousand, three hundred eighty".