5259055681 has 4 divisors (see below), whose sum is σ = 5737151664. Its totient is φ = 4780959700.

The previous prime is 5259055673. The next prime is 5259055699. The reversal of 5259055681 is 1865509525.

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 not a de Polignac number, because 5259055681 - 2³ = 5259055673 is a prime.

It is a super-2 number, since 2×5259055681² = 55315333311716747522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5259055631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239047975 + ... + 239047996.

It is an arithmetic number, because the mean of its divisors is an integer number (1434287916).

Almost surely, 2^5259055681 is an apocalyptic number.

It is an amenable number.

5259055681 is a deficient number, since it is larger than the sum of its proper divisors (478095983).

5259055681 is a wasteful number, since it uses less digits than its factorization.

5259055681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478095982.

The product of its (nonzero) digits is 540000, while the sum is 46.

The square root of 5259055681 is about 72519.3469427297. The cubic root of 5259055681 is about 1739.0120433060.

The spelling of 5259055681 in words is "five billion, two hundred fifty-nine million, fifty-five thousand, six hundred eighty-one".