5106605557 has 4 divisors (see below), whose sum is σ = 5106816396. Its totient is φ = 5106394720.

The previous prime is 5106605533. The next prime is 5106605587. The reversal of 5106605557 is 7555066015.

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 3900502116 + 1206103441 = 62454^2 + 34729^2 .

It is a cyclic number.

It is not a de Polignac number, because 5106605557 - 2³¹ = 2959121909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5106605587) 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, 63544 + ... + 119377.

It is an arithmetic number, because the mean of its divisors is an integer number (1276704099).

Almost surely, 2^5106605557 is an apocalyptic number.

It is an amenable number.

5106605557 is a deficient number, since it is larger than the sum of its proper divisors (210839).

5106605557 is a wasteful number, since it uses less digits than its factorization.

5106605557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210838.

The product of its (nonzero) digits is 157500, while the sum is 40.

The square root of 5106605557 is about 71460.5174694390. The cubic root of 5106605557 is about 1722.0434471311.

The spelling of 5106605557 in words is "five billion, one hundred six million, six hundred five thousand, five hundred fifty-seven".