5255554765 has 8 divisors (see below), whose sum is σ = 6311087640. Its totient is φ = 4201495872.

The previous prime is 5255554751. The next prime is 5255554781. The reversal of 5255554765 is 5674555525.

It can be written as a sum of positive squares in 4 ways, for example, as 655052836 + 4600501929 = 25594^2 + 67827^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5255554765 - 2⁷ = 5255554637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360634 + ... + 374923.

It is an arithmetic number, because the mean of its divisors is an integer number (788885955).

Almost surely, 2^5255554765 is an apocalyptic number.

It is an amenable number.

5255554765 is a deficient number, since it is larger than the sum of its proper divisors (1055532875).

5255554765 is a wasteful number, since it uses less digits than its factorization.

5255554765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736991.

The product of its digits is 5250000, while the sum is 49.

The square root of 5255554765 is about 72495.2051173041. The cubic root of 5255554765 is about 1738.6260749941.

The spelling of 5255554765 in words is "five billion, two hundred fifty-five million, five hundred fifty-four thousand, seven hundred sixty-five".