5208053761 has 4 divisors (see below), whose sum is σ = 5238158292. Its totient is φ = 5177949232.

The previous prime is 5208053759. The next prime is 5208053777. The reversal of 5208053761 is 1673508025.

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 2750373136 + 2457680625 = 52444^2 + 49575^2 .

It is a cyclic number.

It is not a de Polignac number, because 5208053761 - 2¹ = 5208053759 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 5208053761.

It is not an unprimeable number, because it can be changed into a prime (5208053701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15052006 + ... + 15052351.

It is an arithmetic number, because the mean of its divisors is an integer number (1309539573).

Almost surely, 2^5208053761 is an apocalyptic number.

It is an amenable number.

5208053761 is a deficient number, since it is larger than the sum of its proper divisors (30104531).

5208053761 is a wasteful number, since it uses less digits than its factorization.

5208053761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30104530.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 5208053761 is about 72166.8466887670. The cubic root of 5208053761 is about 1733.3721701809.

The spelling of 5208053761 in words is "five billion, two hundred eight million, fifty-three thousand, seven hundred sixty-one".