53139732319 has 8 divisors (see below), whose sum is σ = 56271196800. Its totient is φ = 50008889856.

The previous prime is 53139732301. The next prime is 53139732343. The reversal of 53139732319 is 91323793135.

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

It is a cyclic number.

It is not a de Polignac number, because 53139732319 - 2²⁷ = 53005514591 is a prime.

It is a super-2 number, since 2×53139732319² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53139732379) 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, 26487 + ... + 327079.

It is an arithmetic number, because the mean of its divisors is an integer number (7033899600).

Almost surely, 2^53139732319 is an apocalyptic number.

53139732319 is a deficient number, since it is larger than the sum of its proper divisors (3131464481).

53139732319 is a wasteful number, since it uses less digits than its factorization.

53139732319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311009.

The product of its digits is 459270, while the sum is 46.

The spelling of 53139732319 in words is "fifty-three billion, one hundred thirty-nine million, seven hundred thirty-two thousand, three hundred nineteen".