54022512 has 20 divisors (see below), whose sum is σ = 139558280. Its totient is φ = 18007488.

The previous prime is 54022511. The next prime is 54022517. The reversal of 54022512 is 21522045.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54022511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562687 + ... + 562782.

It is an arithmetic number, because the mean of its divisors is an integer number (6977914).

Almost surely, 2^54022512 is an apocalyptic number.

It is an amenable number.

54022512 is an abundant number, since it is smaller than the sum of its proper divisors (85535768).

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

54022512 is a wasteful number, since it uses less digits than its factorization.

54022512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125480 (or 1125474 counting only the distinct ones).

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

The square root of 54022512 is about 7350.0008163265. Note that the first 3 decimals coincide. The cubic root of 54022512 is about 378.0288323798.

Adding to 54022512 its reverse (21522045), we get a palindrome (75544557).

The spelling of 54022512 in words is "fifty-four million, twenty-two thousand, five hundred twelve".