54320520 has 32 divisors (see below), whose sum is σ = 162961920. Its totient is φ = 14485440.

The previous prime is 54320501. The next prime is 54320521. The reversal of 54320520 is 2502345.

It is not an unprimeable number, because it can be changed into a prime (54320521) 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, 226216 + ... + 226455.

It is an arithmetic number, because the mean of its divisors is an integer number (5092560).

Almost surely, 2^54320520 is an apocalyptic number.

It is an amenable number.

54320520 is an abundant number, since it is smaller than the sum of its proper divisors (108641400).

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

54320520 is a wasteful number, since it uses less digits than its factorization.

54320520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452685 (or 452681 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 54320520 is about 7370.2455861389. The cubic root of 54320520 is about 378.7226733653.

Adding to 54320520 its reverse (2502345), we get a palindrome (56822865).

The spelling of 54320520 in words is "fifty-four million, three hundred twenty thousand, five hundred twenty".