5566765901 has 4 divisors (see below), whose sum is σ = 5859753600. Its totient is φ = 5273778204.

The previous prime is 5566765879. The next prime is 5566765931. The reversal of 5566765901 is 1095676655.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1095676655 = 5 ⋅219135331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5566765901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5566765901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5566765931) 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, 146493821 + ... + 146493858.

It is an arithmetic number, because the mean of its divisors is an integer number (1464938400).

Almost surely, 2^5566765901 is an apocalyptic number.

It is an amenable number.

5566765901 is a deficient number, since it is larger than the sum of its proper divisors (292987699).

5566765901 is a wasteful number, since it uses less digits than its factorization.

5566765901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292987698.

The product of its (nonzero) digits is 1701000, while the sum is 50.

The square root of 5566765901 is about 74610.7626351587. The cubic root of 5566765901 is about 1772.2880918888.

The spelling of 5566765901 in words is "five billion, five hundred sixty-six million, seven hundred sixty-five thousand, nine hundred one".