53003280313 has 4 divisors (see below), whose sum is σ = 53004434688. Its totient is φ = 53002125940.

The previous prime is 53003280307. The next prime is 53003280349. The reversal of 53003280313 is 31308230035.

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 53003280313 - 2⁹ = 53003279801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53003280383) 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, 505333 + ... + 601138.

It is an arithmetic number, because the mean of its divisors is an integer number (13251108672).

Almost surely, 2^53003280313 is an apocalyptic number.

It is an amenable number.

53003280313 is a deficient number, since it is larger than the sum of its proper divisors (1154375).

53003280313 is a wasteful number, since it uses less digits than its factorization.

53003280313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154374.

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 53003280313 in words is "fifty-three billion, three million, two hundred eighty thousand, three hundred thirteen".