54513253 has 4 divisors (see below), whose sum is σ = 54538060. Its totient is φ = 54488448.

The previous prime is 54513241. The next prime is 54513257. The reversal of 54513253 is 35231545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35231545 = 5 ⋅7046309.

It can be written as a sum of positive squares in 2 ways, for example, as 40360609 + 14152644 = 6353^2 + 3762^2 .

It is a cyclic number.

It is not a de Polignac number, because 54513253 - 2²¹ = 52416101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54513257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8748 + ... + 13621.

It is an arithmetic number, because the mean of its divisors is an integer number (13634515).

Almost surely, 2^54513253 is an apocalyptic number.

It is an amenable number.

54513253 is a deficient number, since it is larger than the sum of its proper divisors (24807).

54513253 is a wasteful number, since it uses less digits than its factorization.

54513253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24806.

The product of its digits is 9000, while the sum is 28.

The square root of 54513253 is about 7383.3090819767. The cubic root of 54513253 is about 379.1700561680.

Adding to 54513253 its reverse (35231545), we get a palindrome (89744798).

The spelling of 54513253 in words is "fifty-four million, five hundred thirteen thousand, two hundred fifty-three".