5051506561 has 8 divisors (see below), whose sum is σ = 5160466944. Its totient is φ = 4942608000.

The previous prime is 5051506547. The next prime is 5051506609. The reversal of 5051506561 is 1656051505.

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

It is a cyclic number.

It is not a de Polignac number, because 5051506561 - 2⁵ = 5051506529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5051506961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174616 + ... + 201478.

It is an arithmetic number, because the mean of its divisors is an integer number (645058368).

Almost surely, 2^5051506561 is an apocalyptic number.

It is an amenable number.

5051506561 is a deficient number, since it is larger than the sum of its proper divisors (108960383).

5051506561 is a wasteful number, since it uses less digits than its factorization.

5051506561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30911.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 5051506561 is about 71073.9513535022. The cubic root of 5051506561 is about 1715.8275646838.

The spelling of 5051506561 in words is "five billion, fifty-one million, five hundred six thousand, five hundred sixty-one".