53749213379 has 8 divisors (see below), whose sum is σ = 56122288560. Its totient is φ = 51410781856.

The previous prime is 53749213313. The next prime is 53749213387. The reversal of 53749213379 is 97331294735.

53749213379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53749213379 is a prime.

It is a super-2 number, since 2×53749213379² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53749213379.

It is not an unprimeable number, because it can be changed into a prime (53749213279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8657744 + ... + 8663949.

It is an arithmetic number, because the mean of its divisors is an integer number (7015286070).

Almost surely, 2^53749213379 is an apocalyptic number.

53749213379 is a deficient number, since it is larger than the sum of its proper divisors (2373075181).

53749213379 is a wasteful number, since it uses less digits than its factorization.

53749213379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17321829.

The product of its digits is 4286520, while the sum is 53.

The spelling of 53749213379 in words is "fifty-three billion, seven hundred forty-nine million, two hundred thirteen thousand, three hundred seventy-nine".