54440022 has 32 divisors (see below), whose sum is σ = 134007552. Its totient is φ = 14357664.

The previous prime is 54439993. The next prime is 54440027. The reversal of 54440022 is 22004445.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54440027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49308 + ... + 50399.

It is an arithmetic number, because the mean of its divisors is an integer number (4187736).

Almost surely, 2^54440022 is an apocalyptic number.

54440022 is an abundant number, since it is smaller than the sum of its proper divisors (79567530).

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

54440022 is a wasteful number, since it uses less digits than its factorization.

54440022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99732.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 54440022 is about 7378.3481891274. The cubic root of 54440022 is about 379.0001926097. Note that the first 3 decimals are identical.

Adding to 54440022 its reverse (22004445), we get a palindrome (76444467).

The spelling of 54440022 in words is "fifty-four million, four hundred forty thousand, twenty-two".