54360521 has 2 divisors, whose sum is σ = 54360522. Its totient is φ = 54360520.

The previous prime is 54360503. The next prime is 54360533. The reversal of 54360521 is 12506345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52722121 + 1638400 = 7261^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 54360521 - 2¹⁰ = 54359497 is a prime.

It is not a weakly prime, because it can be changed into another prime (54360541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27180260 + 27180261.

It is an arithmetic number, because the mean of its divisors is an integer number (27180261).

Almost surely, 2^54360521 is an apocalyptic number.

It is an amenable number.

54360521 is a deficient number, since it is larger than the sum of its proper divisors (1).

54360521 is an equidigital number, since it uses as much as digits as its factorization.

54360521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 54360521 is about 7372.9587683643. The cubic root of 54360521 is about 378.8156128818.

Adding to 54360521 its reverse (12506345), we get a palindrome (66866866).

The spelling of 54360521 in words is "fifty-four million, three hundred sixty thousand, five hundred twenty-one".