52402556677 has 4 divisors (see below), whose sum is σ = 54209541420. Its totient is φ = 50595571936.

The previous prime is 52402556663. The next prime is 52402556707. The reversal of 52402556677 is 77665520425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11134259361 + 41268297316 = 105519^2 + 203146^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52402556677 is a prime.

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 52402556677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52402556977) 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, 903492328 + ... + 903492385.

It is an arithmetic number, because the mean of its divisors is an integer number (13552385355).

Almost surely, 2^52402556677 is an apocalyptic number.

It is an amenable number.

52402556677 is a deficient number, since it is larger than the sum of its proper divisors (1806984743).

52402556677 is a wasteful number, since it uses less digits than its factorization.

52402556677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806984742.

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 52402556677 in words is "fifty-two billion, four hundred two million, five hundred fifty-six thousand, six hundred seventy-seven".