54320022 has 24 divisors (see below), whose sum is σ = 118862640. Its totient is φ = 17926800.

The previous prime is 54320009. The next prime is 54320023. The reversal of 54320022 is 22002345.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 54319977 and 54320004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54320023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13122 + ... + 16757.

It is an arithmetic number, because the mean of its divisors is an integer number (4952610).

Almost surely, 2^54320022 is an apocalyptic number.

54320022 is an abundant number, since it is smaller than the sum of its proper divisors (64542618).

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

54320022 is a wasteful number, since it uses less digits than its factorization.

54320022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29988 (or 29985 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 54320022 is about 7370.2118015699. The cubic root of 54320022 is about 378.7215160097.

Adding to 54320022 its reverse (22002345), we get a palindrome (76322367).

The spelling of 54320022 in words is "fifty-four million, three hundred twenty thousand, twenty-two".