51298905601 has 4 divisors (see below), whose sum is σ = 51362160304. Its totient is φ = 51235650900.

The previous prime is 51298905589. The next prime is 51298905667. The reversal of 51298905601 is 10650989215.

51298905601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 51298905601 - 2⁷ = 51298905473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51298905401) 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, 31626135 + ... + 31627756.

It is an arithmetic number, because the mean of its divisors is an integer number (12840540076).

Almost surely, 2^51298905601 is an apocalyptic number.

It is an amenable number.

51298905601 is a deficient number, since it is larger than the sum of its proper divisors (63254703).

51298905601 is an equidigital number, since it uses as much as digits as its factorization.

51298905601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63254702.

The product of its (nonzero) digits is 194400, while the sum is 46.

The spelling of 51298905601 in words is "fifty-one billion, two hundred ninety-eight million, nine hundred five thousand, six hundred one".