54324390 has 64 divisors (see below), whose sum is σ = 137313792. Its totient is φ = 13728000.

The previous prime is 54324383. The next prime is 54324407. The reversal of 54324390 is 9342345.

It is a super-2 number, since 2×54324390² = 5902278697744200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90090 + ... + 90690.

It is an arithmetic number, because the mean of its divisors is an integer number (2145528).

Almost surely, 2^54324390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54324390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68656896).

54324390 is an abundant number, since it is smaller than the sum of its proper divisors (82989402).

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

54324390 is a wasteful number, since it uses less digits than its factorization.

54324390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 54324390 is about 7370.5081235964. The cubic root of 54324390 is about 378.7316670319.

The spelling of 54324390 in words is "fifty-four million, three hundred twenty-four thousand, three hundred ninety".