5155566544 has 20 divisors (see below), whose sum is σ = 10115354560. Its totient is φ = 2545152480.

The previous prime is 5155566517. The next prime is 5155566547. The reversal of 5155566544 is 4456655515.

It is a happy number.

It is a super-2 number, since 2×5155566544² = 53159732779224207872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5155566494 and 5155566503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155566547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038122 + ... + 2040649.

It is an arithmetic number, because the mean of its divisors is an integer number (505767728).

Almost surely, 2^5155566544 is an apocalyptic number.

It is an amenable number.

5155566544 is a deficient number, since it is larger than the sum of its proper divisors (4959788016).

5155566544 is a wasteful number, since it uses less digits than its factorization.

5155566544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078858 (or 4078852 counting only the distinct ones).

The product of its digits is 1800000, while the sum is 46.

The square root of 5155566544 is about 71802.2739472783. The cubic root of 5155566544 is about 1727.5294732982.

The spelling of 5155566544 in words is "five billion, one hundred fifty-five million, five hundred sixty-six thousand, five hundred forty-four".