54126013 has 4 divisors (see below), whose sum is σ = 54172800. Its totient is φ = 54079228.

The previous prime is 54125993. The next prime is 54126019. The reversal of 54126013 is 31062145.

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 a de Polignac number, because none of the positive numbers 2^k-54126013 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 (54126019) 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, 21613 + ... + 23986.

It is an arithmetic number, because the mean of its divisors is an integer number (13543200).

Almost surely, 2^54126013 is an apocalyptic number.

It is an amenable number.

54126013 is a deficient number, since it is larger than the sum of its proper divisors (46787).

54126013 is a wasteful number, since it uses less digits than its factorization.

54126013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46786.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 54126013 is about 7357.0383307415. The cubic root of 54126013 is about 378.2700984747.

Adding to 54126013 its reverse (31062145), we get a palindrome (85188158).

The spelling of 54126013 in words is "fifty-four million, one hundred twenty-six thousand, thirteen".