53207843789 has 12 divisors (see below), whose sum is σ = 56176749216. Its totient is φ = 50388489288.

The previous prime is 53207843783. The next prime is 53207843807. The reversal of 53207843789 is 98734870235.

It is a de Polignac number, because none of the positive numbers 2^k-53207843789 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53207843783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 985592 + ... + 1038174.

It is an arithmetic number, because the mean of its divisors is an integer number (4681395768).

Almost surely, 2^53207843789 is an apocalyptic number.

It is an amenable number.

53207843789 is a deficient number, since it is larger than the sum of its proper divisors (2968905427).

53207843789 is a wasteful number, since it uses less digits than its factorization.

53207843789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55424 (or 55405 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 53207843789 in words is "fifty-three billion, two hundred seven million, eight hundred forty-three thousand, seven hundred eighty-nine".