53138968316 has 24 divisors (see below), whose sum is σ = 106285645536. Its totient is φ = 22772191680.

The previous prime is 53138968307. The next prime is 53138968319. The reversal of 53138968316 is 61386983135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53138968319) 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, 374090 + ... + 496206.

It is an arithmetic number, because the mean of its divisors is an integer number (4428568564).

Almost surely, 2^53138968316 is an apocalyptic number.

It is an amenable number.

53138968316 is an abundant number, since it is smaller than the sum of its proper divisors (53146677220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53138968316 is a wasteful number, since it uses less digits than its factorization.

53138968316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137669 (or 137667 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 53.

The spelling of 53138968316 in words is "fifty-three billion, one hundred thirty-eight million, nine hundred sixty-eight thousand, three hundred sixteen".