54031913 has 4 divisors (see below), whose sum is σ = 58188228. Its totient is φ = 49875600.

The previous prime is 54031907. The next prime is 54031961. The reversal of 54031913 is 31913045.

54031913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9048064 + 44983849 = 3008^2 + 6707^2 .

It is a cyclic number.

It is not a de Polignac number, because 54031913 - 2⁸ = 54031657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54031903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2078138 + ... + 2078163.

It is an arithmetic number, because the mean of its divisors is an integer number (14547057).

Almost surely, 2^54031913 is an apocalyptic number.

It is an amenable number.

54031913 is a deficient number, since it is larger than the sum of its proper divisors (4156315).

54031913 is a wasteful number, since it uses less digits than its factorization.

54031913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156314.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 54031913 is about 7350.6403122449. The cubic root of 54031913 is about 378.0507593062.

Adding to 54031913 its reverse (31913045), we get a palindrome (85944958).

The spelling of 54031913 in words is "fifty-four million, thirty-one thousand, nine hundred thirteen".