5025555566 has 8 divisors (see below), whose sum is σ = 7722195264. Its totient is φ = 2451490480.

The previous prime is 5025555553. The next prime is 5025555569. The reversal of 5025555566 is 6655555205.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5025555569) 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, 30643550 + ... + 30643713.

It is an arithmetic number, because the mean of its divisors is an integer number (965274408).

Almost surely, 2^5025555566 is an apocalyptic number.

5025555566 is a deficient number, since it is larger than the sum of its proper divisors (2696639698).

5025555566 is a wasteful number, since it uses less digits than its factorization.

5025555566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61287306.

The product of its (nonzero) digits is 1125000, while the sum is 44.

The square root of 5025555566 is about 70891.1529459072. The cubic root of 5025555566 is about 1712.8842908757.

The spelling of 5025555566 in words is "five billion, twenty-five million, five hundred fifty-five thousand, five hundred sixty-six".