54272512 has 80 divisors (see below), whose sum is σ = 130616640. Its totient is φ = 22007808.

The previous prime is 54272509. The next prime is 54272513. The reversal of 54272512 is 21527245.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54272513) 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, 67698 + ... + 68494.

It is an arithmetic number, because the mean of its divisors is an integer number (1632708).

Almost surely, 2^54272512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54272512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65308320).

54272512 is an abundant number, since it is smaller than the sum of its proper divisors (76344128).

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

54272512 is an equidigital number, since it uses as much as digits as its factorization.

54272512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 825 counting only the distinct ones).

The product of its digits is 5600, while the sum is 28.

The square root of 54272512 is about 7366.9879869591. The cubic root of 54272512 is about 378.6110698864.

Adding to 54272512 its reverse (21527245), we get a palindrome (75799757).

The spelling of 54272512 in words is "fifty-four million, two hundred seventy-two thousand, five hundred twelve".