50994637853 has 8 divisors (see below), whose sum is σ = 51453456768. Its totient is φ = 50535951424.

The previous prime is 50994637849. The next prime is 50994637891. The reversal of 50994637853 is 35873649905.

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 50994637853 - 2² = 50994637849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50994637792 and 50994637801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50994637153) 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, 843950 + ... + 902352.

It is an arithmetic number, because the mean of its divisors is an integer number (6431682096).

Almost surely, 2^50994637853 is an apocalyptic number.

It is an amenable number.

50994637853 is a deficient number, since it is larger than the sum of its proper divisors (458818915).

50994637853 is a wasteful number, since it uses less digits than its factorization.

50994637853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66243.

The product of its (nonzero) digits is 24494400, while the sum is 59.

The spelling of 50994637853 in words is "fifty billion, nine hundred ninety-four million, six hundred thirty-seven thousand, eight hundred fifty-three".