53138968422 has 8 divisors (see below), whose sum is σ = 106277936856. Its totient is φ = 17712989472.

The previous prime is 53138968397. The next prime is 53138968423. The reversal of 53138968422 is 22486983135.

It is a happy number.

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

53138968422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53138968423) 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, 4428247363 + ... + 4428247374.

It is an arithmetic number, because the mean of its divisors is an integer number (13284742107).

Almost surely, 2^53138968422 is an apocalyptic number.

53138968422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53138968422 is a wasteful number, since it uses less digits than its factorization.

53138968422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8856494742.

The product of its digits is 2488320, while the sum is 51.

The spelling of 53138968422 in words is "fifty-three billion, one hundred thirty-eight million, nine hundred sixty-eight thousand, four hundred twenty-two".