52732533981 has 8 divisors (see below), whose sum is σ = 70863668224. Its totient is φ = 34878211200.

The previous prime is 52732533979. The next prime is 52732533983. The reversal of 52732533981 is 18933523725.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52732533979) and next prime (52732533983).

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

It is not a de Polignac number, because 52732533981 - 2¹ = 52732533979 is a prime.

It is a super-2 number, since 2×52732533981² (a number of 22 digits) contains 22 as substring.

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 52732533981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52732533983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69202420 + ... + 69203181.

It is an arithmetic number, because the mean of its divisors is an integer number (8857958528).

Almost surely, 2^52732533981 is an apocalyptic number.

It is an amenable number.

52732533981 is a deficient number, since it is larger than the sum of its proper divisors (18131134243).

52732533981 is a wasteful number, since it uses less digits than its factorization.

52732533981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138405731.

The product of its digits is 1360800, while the sum is 48.

The spelling of 52732533981 in words is "fifty-two billion, seven hundred thirty-two million, five hundred thirty-three thousand, nine hundred eighty-one".