52981139495 has 16 divisors (see below), whose sum is σ = 63666367968. Its totient is φ = 42325632000.

The previous prime is 52981139479. The next prime is 52981139507. The reversal of 52981139495 is 59493118925.

It is not a de Polignac number, because 52981139495 - 2⁴ = 52981139479 is a prime.

It is a super-2 number, since 2×52981139495² (a number of 22 digits) contains 22 as substring.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52981139495.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17652995 + ... + 17655995.

It is an arithmetic number, because the mean of its divisors is an integer number (3979147998).

Almost surely, 2^52981139495 is an apocalyptic number.

52981139495 is a deficient number, since it is larger than the sum of its proper divisors (10685228473).

52981139495 is a wasteful number, since it uses less digits than its factorization.

52981139495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770.

The product of its digits is 3499200, while the sum is 56.

The spelling of 52981139495 in words is "fifty-two billion, nine hundred eighty-one million, one hundred thirty-nine thousand, four hundred ninety-five".