54522018 has 64 divisors (see below), whose sum is σ = 125136000. Its totient is φ = 17589312.

The previous prime is 54522011. The next prime is 54522019. The reversal of 54522018 is 81022545.

It is a happy number.

54522018 is a `hidden beast` number, since 5 + 452 + 201 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 54521982 and 54522000.

It is not an unprimeable number, because it can be changed into a prime (54522011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347196 + ... + 347352.

It is an arithmetic number, because the mean of its divisors is an integer number (1955250).

Almost surely, 2^54522018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54522018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62568000).

54522018 is an abundant number, since it is smaller than the sum of its proper divisors (70613982).

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

54522018 is a wasteful number, since it uses less digits than its factorization.

54522018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 54522018 is about 7383.9026266602. The cubic root of 54522018 is about 379.1903768989.

The spelling of 54522018 in words is "fifty-four million, five hundred twenty-two thousand, eighteen".