53250622993 has 4 divisors (see below), whose sum is σ = 53892196848. Its totient is φ = 52609049140.

The previous prime is 53250622981. The next prime is 53250623021. The reversal of 53250622993 is 39922605235.

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 a de Polignac number, because none of the positive numbers 2^k-53250622993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53250622193) 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, 320786803 + ... + 320786968.

It is an arithmetic number, because the mean of its divisors is an integer number (13473049212).

Almost surely, 2^53250622993 is an apocalyptic number.

It is an amenable number.

53250622993 is a deficient number, since it is larger than the sum of its proper divisors (641573855).

53250622993 is an equidigital number, since it uses as much as digits as its factorization.

53250622993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641573854.

The product of its (nonzero) digits is 874800, while the sum is 46.

The spelling of 53250622993 in words is "fifty-three billion, two hundred fifty million, six hundred twenty-two thousand, nine hundred ninety-three".