54504390 has 16 divisors (see below), whose sum is σ = 130810608. Its totient is φ = 14534496.

The previous prime is 54504389. The next prime is 54504419. The reversal of 54504390 is 9340545.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1816813 = 54504390 / (5 + 4 + 5 + 0 + 4 + 3 + 9 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908377 + ... + 908436.

It is an arithmetic number, because the mean of its divisors is an integer number (8175663).

Almost surely, 2^54504390 is an apocalyptic number.

54504390 is an abundant number, since it is smaller than the sum of its proper divisors (76306218).

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

54504390 is a wasteful number, since it uses less digits than its factorization.

54504390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816823.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 54504390 is about 7382.7088524470. The cubic root of 54504390 is about 379.1495060194.

The spelling of 54504390 in words is "fifty-four million, five hundred four thousand, three hundred ninety".