54478590 has 32 divisors (see below), whose sum is σ = 130998816. Its totient is φ = 14499840.

The previous prime is 54478553. The next prime is 54478607. The reversal of 54478590 is 9587445.

It is a Curzon number.

It is a congruent number.

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, 17814 + ... + 20646.

It is an arithmetic number, because the mean of its divisors is an integer number (4093713).

Almost surely, 2^54478590 is an apocalyptic number.

54478590 is an abundant number, since it is smaller than the sum of its proper divisors (76520226).

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

54478590 is a wasteful number, since it uses less digits than its factorization.

54478590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 54478590 is about 7380.9613195030. The cubic root of 54478590 is about 379.0896723000.

The spelling of 54478590 in words is "fifty-four million, four hundred seventy-eight thousand, five hundred ninety".