54223513 has 4 divisors (see below), whose sum is σ = 54293200. Its totient is φ = 54153828.

The previous prime is 54223493. The next prime is 54223529. The reversal of 54223513 is 31532245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54223513 - 2¹³ = 54215321 is a prime.

It is a super-2 number, since 2×54223513² = 5880378724122338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54223573) 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, 33663 + ... + 35236.

It is an arithmetic number, because the mean of its divisors is an integer number (13573300).

Almost surely, 2^54223513 is an apocalyptic number.

It is an amenable number.

54223513 is a deficient number, since it is larger than the sum of its proper divisors (69687).

54223513 is an equidigital number, since it uses as much as digits as its factorization.

54223513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69686.

The product of its digits is 3600, while the sum is 25.

The square root of 54223513 is about 7363.6616570834. The cubic root of 54223513 is about 378.4970947578.

Adding to 54223513 its reverse (31532245), we get a palindrome (85755758).

The spelling of 54223513 in words is "fifty-four million, two hundred twenty-three thousand, five hundred thirteen".