53213251399 has 16 divisors (see below), whose sum is σ = 66766381056. Its totient is φ = 41200754400.

The previous prime is 53213251397. The next prime is 53213251409. The reversal of 53213251399 is 99315231235.

53213251399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 53213251399 - 2¹ = 53213251397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53213251397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2188807 + ... + 2212984.

It is an arithmetic number, because the mean of its divisors is an integer number (4172898816).

Almost surely, 2^53213251399 is an apocalyptic number.

53213251399 is a deficient number, since it is larger than the sum of its proper divisors (13553129657).

53213251399 is a wasteful number, since it uses less digits than its factorization.

53213251399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401966.

The product of its digits is 218700, while the sum is 43.

The spelling of 53213251399 in words is "fifty-three billion, two hundred thirteen million, two hundred fifty-one thousand, three hundred ninety-nine".