50994637801 has 4 divisors (see below), whose sum is σ = 50997006592. Its totient is φ = 50992269012.

The previous prime is 50994637789. The next prime is 50994637807. The reversal of 50994637801 is 10873649905.

It is a happy number.

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 50994637801 - 2⁵ = 50994637769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50994637807) 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, 1151805 + ... + 1195258.

It is an arithmetic number, because the mean of its divisors is an integer number (12749251648).

Almost surely, 2^50994637801 is an apocalyptic number.

It is an amenable number.

50994637801 is a deficient number, since it is larger than the sum of its proper divisors (2368791).

50994637801 is a wasteful number, since it uses less digits than its factorization.

50994637801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368790.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 50994637801 in words is "fifty billion, nine hundred ninety-four million, six hundred thirty-seven thousand, eight hundred one".