52992319821 has 16 divisors (see below), whose sum is σ = 80753754624. Its totient is φ = 30279993264.

The previous prime is 52992319781. The next prime is 52992319837. The reversal of 52992319821 is 12891329925.

It is not a de Polignac number, because 52992319821 - 2¹⁴ = 52992303437 is a prime.

It is a super-2 number, since 2×52992319821² (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 (52992319871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629970 + ... + 709116.

It is an arithmetic number, because the mean of its divisors is an integer number (5047109664).

Almost surely, 2^52992319821 is an apocalyptic number.

It is an amenable number.

52992319821 is a deficient number, since it is larger than the sum of its proper divisors (27761434803).

52992319821 is a wasteful number, since it uses less digits than its factorization.

52992319821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111040.

The product of its digits is 699840, while the sum is 51.

The spelling of 52992319821 in words is "fifty-two billion, nine hundred ninety-two million, three hundred nineteen thousand, eight hundred twenty-one".