5105555506 has 4 divisors (see below), whose sum is σ = 7658333262. Its totient is φ = 2552777752.

The previous prime is 5105555467. The next prime is 5105555579. The reversal of 5105555506 is 6055555015.

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

It can be written as a sum of positive squares in only one way, i.e., 2668652281 + 2436903225 = 51659^2 + 49365^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276388875 + ... + 1276388878.

Almost surely, 2^5105555506 is an apocalyptic number.

5105555506 is a deficient number, since it is larger than the sum of its proper divisors (2552777756).

5105555506 is a wasteful number, since it uses less digits than its factorization.

5105555506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552777755.

The product of its (nonzero) digits is 93750, while the sum is 37.

The square root of 5105555506 is about 71453.1700206506. The cubic root of 5105555506 is about 1721.9254067239.

The spelling of 5105555506 in words is "five billion, one hundred five million, five hundred fifty-five thousand, five hundred six".