54315312 has 20 divisors (see below), whose sum is σ = 140314680. Its totient is φ = 18105088.

The previous prime is 54315311. The next prime is 54315337. The reversal of 54315312 is 21351345.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (54315311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565737 + ... + 565832.

It is an arithmetic number, because the mean of its divisors is an integer number (7015734).

Almost surely, 2^54315312 is an apocalyptic number.

It is an amenable number.

54315312 is an abundant number, since it is smaller than the sum of its proper divisors (85999368).

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

54315312 is a wasteful number, since it uses less digits than its factorization.

54315312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131580 (or 1131574 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 54315312 is about 7369.8922651556. The cubic root of 54315312 is about 378.7105695862.

Adding to 54315312 its reverse (21351345), we get a palindrome (75666657).

The spelling of 54315312 in words is "fifty-four million, three hundred fifteen thousand, three hundred twelve".