54144390 has 16 divisors (see below), whose sum is σ = 129946608. Its totient is φ = 14438496.

The previous prime is 54144379. The next prime is 54144397. The reversal of 54144390 is 9344145.

54144390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×54144390² = 5863229936944200, which contains 22 as substring.

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: 1804813 = 54144390 / (5 + 4 + 1 + 4 + 4 + 3 + 9 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54144397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902377 + ... + 902436.

It is an arithmetic number, because the mean of its divisors is an integer number (8121663).

Almost surely, 2^54144390 is an apocalyptic number.

54144390 is an abundant number, since it is smaller than the sum of its proper divisors (75802218).

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

54144390 is a wasteful number, since it uses less digits than its factorization.

54144390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804823.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 54144390 is about 7358.2871648231. The cubic root of 54144390 is about 378.3129040355.

The spelling of 54144390 in words is "fifty-four million, one hundred forty-four thousand, three hundred ninety".