54534013 has 4 divisors (see below), whose sum is σ = 54556828. Its totient is φ = 54511200.

The previous prime is 54533957. The next prime is 54534023. The reversal of 54534013 is 31043545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40411449 + 14122564 = 6357^2 + 3758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54534013 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 (54534023) 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, 7338 + ... + 12763.

It is an arithmetic number, because the mean of its divisors is an integer number (13639207).

Almost surely, 2^54534013 is an apocalyptic number.

It is an amenable number.

54534013 is a deficient number, since it is larger than the sum of its proper divisors (22815).

54534013 is a wasteful number, since it uses less digits than its factorization.

54534013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22814.

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

The square root of 54534013 is about 7384.7148218465. The cubic root of 54534013 is about 379.2181825159.

Adding to 54534013 its reverse (31043545), we get a palindrome (85577558).

The spelling of 54534013 in words is "fifty-four million, five hundred thirty-four thousand, thirteen".