53037913 has 4 divisors (see below), whose sum is σ = 53677008. Its totient is φ = 52398820.

The previous prime is 53037899. The next prime is 53037973. The reversal of 53037913 is 31973035.

53037913 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31973035 = 5 ⋅6394607.

It is a cyclic number.

It is not a de Polignac number, because 53037913 - 2²¹ = 50940761 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53037973) 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, 319423 + ... + 319588.

It is an arithmetic number, because the mean of its divisors is an integer number (13419252).

Almost surely, 2^53037913 is an apocalyptic number.

It is an amenable number.

53037913 is a deficient number, since it is larger than the sum of its proper divisors (639095).

53037913 is an equidigital number, since it uses as much as digits as its factorization.

53037913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639094.

The product of its (nonzero) digits is 8505, while the sum is 31.

The square root of 53037913 is about 7282.7132993137. The cubic root of 53037913 is about 375.7181214080.

The spelling of 53037913 in words is "fifty-three million, thirty-seven thousand, nine hundred thirteen".