54439290 has 96 divisors (see below), whose sum is σ = 150486336. Its totient is φ = 14152320.

The previous prime is 54439283. The next prime is 54439327. The reversal of 54439290 is 9293445.

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 47 ways as a sum of consecutive naturals, for example, 104230 + ... + 104750.

It is an arithmetic number, because the mean of its divisors is an integer number (1567566).

Almost surely, 2^54439290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54439290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75243168).

54439290 is an abundant number, since it is smaller than the sum of its proper divisors (96047046).

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

54439290 is a wasteful number, since it uses less digits than its factorization.

54439290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 54439290 is about 7378.2985843621. The cubic root of 54439290 is about 378.9984939245.

The spelling of 54439290 in words is "fifty-four million, four hundred thirty-nine thousand, two hundred ninety".