52483521781 has 4 divisors (see below), whose sum is σ = 52593091200. Its totient is φ = 52373952364.

The previous prime is 52483521767. The next prime is 52483521791. The reversal of 52483521781 is 18712538425.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52483521781 - 2¹¹ = 52483519733 is a prime.

It is a super-2 number, since 2×52483521781² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52483521751) 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 3 ways as a sum of consecutive naturals, for example, 54783991 + ... + 54784948.

It is an arithmetic number, because the mean of its divisors is an integer number (13148272800).

Almost surely, 2^52483521781 is an apocalyptic number.

It is an amenable number.

52483521781 is a deficient number, since it is larger than the sum of its proper divisors (109569419).

52483521781 is a wasteful number, since it uses less digits than its factorization.

52483521781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109569418.

The product of its digits is 537600, while the sum is 46.

The spelling of 52483521781 in words is "fifty-two billion, four hundred eighty-three million, five hundred twenty-one thousand, seven hundred eighty-one".