54215380 has 24 divisors (see below), whose sum is σ = 120550248. Its totient is φ = 20410368.

The previous prime is 54215377. The next prime is 54215423. The reversal of 54215380 is 8351245.

54215380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 29095236 + 25120144 = 5394^2 + 5012^2 .

It is a congruent number.

It is an unprimeable number.

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, 79389 + ... + 80068.

It is an arithmetic number, because the mean of its divisors is an integer number (5022927).

Almost surely, 2^54215380 is an apocalyptic number.

It is an amenable number.

54215380 is an abundant number, since it is smaller than the sum of its proper divisors (66334868).

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

54215380 is a wasteful number, since it uses less digits than its factorization.

54215380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159483 (or 159481 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 54215380 is about 7363.1093975304. The cubic root of 54215380 is about 378.4781701830.

It can be divided in two parts, 5421 and 5380, that added together give a palindrome (10801).

The spelling of 54215380 in words is "fifty-four million, two hundred fifteen thousand, three hundred eighty".