53992313 has 4 divisors (see below), whose sum is σ = 54675840. Its totient is φ = 53308788.

The previous prime is 53992303. The next prime is 53992327. The reversal of 53992313 is 31329935.

It is a happy number.

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 not a de Polignac number, because 53992313 - 2¹⁶ = 53926777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53992303) 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, 341645 + ... + 341802.

It is an arithmetic number, because the mean of its divisors is an integer number (13668960).

Almost surely, 2^53992313 is an apocalyptic number.

It is an amenable number.

53992313 is a deficient number, since it is larger than the sum of its proper divisors (683527).

53992313 is an equidigital number, since it uses as much as digits as its factorization.

53992313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683526.

The product of its digits is 21870, while the sum is 35.

The square root of 53992313 is about 7347.9461756330. The cubic root of 53992313 is about 377.9583789079.

The spelling of 53992313 in words is "fifty-three million, nine hundred ninety-two thousand, three hundred thirteen".