54324513 has 10 divisors (see below), whose sum is σ = 81151554. Its totient is φ = 36216288.

The previous prime is 54324509. The next prime is 54324539. The reversal of 54324513 is 31542345.

It can be written as a sum of positive squares in only one way, i.e., 50296464 + 4028049 = 7092^2 + 2007^2 .

It is not a de Polignac number, because 54324513 - 2² = 54324509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54324583) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 335256 + ... + 335417.

Almost surely, 2^54324513 is an apocalyptic number.

It is an amenable number.

54324513 is a deficient number, since it is larger than the sum of its proper divisors (26827041).

54324513 is an equidigital number, since it uses as much as digits as its factorization.

54324513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670685 (or 670676 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 54324513 is about 7370.5164676568. The cubic root of 54324513 is about 378.7319528701.

Adding to 54324513 its reverse (31542345), we get a palindrome (85866858).

The spelling of 54324513 in words is "fifty-four million, three hundred twenty-four thousand, five hundred thirteen".