5056506561 has 16 divisors (see below), whose sum is σ = 6769852416. Its totient is φ = 3357110736.

The previous prime is 5056506547. The next prime is 5056506569. The reversal of 5056506561 is 1656056505.

It is a de Polignac number, because none of the positive numbers 2^k-5056506561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5056506569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 850746 + ... + 856668.

It is an arithmetic number, because the mean of its divisors is an integer number (423115776).

Almost surely, 2^5056506561 is an apocalyptic number.

It is an amenable number.

5056506561 is a deficient number, since it is larger than the sum of its proper divisors (1713345855).

5056506561 is a wasteful number, since it uses less digits than its factorization.

5056506561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7052.

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 5056506561 is about 71109.1172846352. The cubic root of 5056506561 is about 1716.3934888440.

The spelling of 5056506561 in words is "five billion, fifty-six million, five hundred six thousand, five hundred sixty-one".