5556566751 has 4 divisors (see below), whose sum is σ = 7408755672. Its totient is φ = 3704377832.

The previous prime is 5556566749. The next prime is 5556566783. The reversal of 5556566751 is 1576656555.

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

It is a cyclic number.

It is not a de Polignac number, because 5556566751 - 2¹ = 5556566749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5556566694 and 5556566703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5556566731) 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, 926094456 + ... + 926094461.

It is an arithmetic number, because the mean of its divisors is an integer number (1852188918).

Almost surely, 2^5556566751 is an apocalyptic number.

5556566751 is a deficient number, since it is larger than the sum of its proper divisors (1852188921).

5556566751 is a wasteful number, since it uses less digits than its factorization.

5556566751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852188920.

The product of its digits is 4725000, while the sum is 51.

The square root of 5556566751 is about 74542.3822466119. The cubic root of 5556566751 is about 1771.2050643359.

The spelling of 5556566751 in words is "five billion, five hundred fifty-six million, five hundred sixty-six thousand, seven hundred fifty-one".