54324521 has 4 divisors (see below), whose sum is σ = 54739344. Its totient is φ = 53909700.

The previous prime is 54324509. The next prime is 54324539. The reversal of 54324521 is 12542345.

It is a happy number.

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 54324521 - 2¹⁸ = 54062377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54324541) 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, 207215 + ... + 207476.

It is an arithmetic number, because the mean of its divisors is an integer number (13684836).

Almost surely, 2^54324521 is an apocalyptic number.

It is an amenable number.

54324521 is a deficient number, since it is larger than the sum of its proper divisors (414823).

54324521 is a wasteful number, since it uses less digits than its factorization.

54324521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414822.

The product of its digits is 4800, while the sum is 26.

The square root of 54324521 is about 7370.5170103596. The cubic root of 54324521 is about 378.7319714612.

Adding to 54324521 its reverse (12542345), we get a palindrome (66866866).

It can be divided in two parts, 54324 and 521, that added together give a palindrome (54845).

The spelling of 54324521 in words is "fifty-four million, three hundred twenty-four thousand, five hundred twenty-one".