54522012 has 24 divisors (see below), whose sum is σ = 127355536. Its totient is φ = 18154368.

The previous prime is 54522011. The next prime is 54522019. The reversal of 54522012 is 21022545.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 54522012.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 13008 + ... + 16680.

Almost surely, 2^54522012 is an apocalyptic number.

It is an amenable number.

54522012 is an abundant number, since it is smaller than the sum of its proper divisors (72833524).

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

54522012 is a wasteful number, since it uses less digits than its factorization.

54522012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4917 (or 4915 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 54522012 is about 7383.9022203710. The cubic root of 54522012 is about 379.1903629893.

Adding to 54522012 its reverse (21022545), we get a palindrome (75544557).

The spelling of 54522012 in words is "fifty-four million, five hundred twenty-two thousand, twelve".