54435013 has 4 divisors (see below), whose sum is σ = 54524428. Its totient is φ = 54345600.

The previous prime is 54435011. The next prime is 54435023. The reversal of 54435013 is 31053445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31053445 = 5 ⋅6210689.

It can be written as a sum of positive squares in 2 ways, for example, as 294849 + 54140164 = 543^2 + 7358^2 .

It is a cyclic number.

It is not a de Polignac number, because 54435013 - 2¹ = 54435011 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 (54435011) 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, 43788 + ... + 45013.

It is an arithmetic number, because the mean of its divisors is an integer number (13631107).

Almost surely, 2^54435013 is an apocalyptic number.

It is an amenable number.

54435013 is a deficient number, since it is larger than the sum of its proper divisors (89415).

54435013 is an equidigital number, since it uses as much as digits as its factorization.

54435013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89414.

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

The square root of 54435013 is about 7378.0087422014. The cubic root of 54435013 is about 378.9885683786.

Adding to 54435013 its reverse (31053445), we get a palindrome (85488458).

The spelling of 54435013 in words is "fifty-four million, four hundred thirty-five thousand, thirteen".