54389880 has 80 divisors (see below), whose sum is σ = 182821320. Its totient is φ = 14503104.

The previous prime is 54389873. The next prime is 54389897. The reversal of 54389880 is 8898345.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5154 + ... + 11633.

Almost surely, 2^54389880 is an apocalyptic number.

It is an amenable number.

54389880 is an abundant number, since it is smaller than the sum of its proper divisors (128431440).

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

54389880 is a wasteful number, since it uses less digits than its factorization.

54389880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16810 (or 16797 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 54389880 is about 7374.9494913525. The cubic root of 54389880 is about 378.8837974502.

The spelling of 54389880 in words is "fifty-four million, three hundred eighty-nine thousand, eight hundred eighty".