54221364 has 72 divisors (see below), whose sum is σ = 152792640. Its totient is φ = 16111872.

The previous prime is 54221359. The next prime is 54221371. The reversal of 54221364 is 46312245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9297 + ... + 13959.

It is an arithmetic number, because the mean of its divisors is an integer number (2122120).

Almost surely, 2^54221364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54221364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76396320).

54221364 is an abundant number, since it is smaller than the sum of its proper divisors (98571276).

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

54221364 is a wasteful number, since it uses less digits than its factorization.

54221364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4709 (or 4704 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 54221364 is about 7363.5157363857. The cubic root of 54221364 is about 378.4920944609.

It can be divided in two parts, 5422 and 1364, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 54221364 in words is "fifty-four million, two hundred twenty-one thousand, three hundred sixty-four".