50163553001 has 4 divisors (see below), whose sum is σ = 50312406612. Its totient is φ = 50014699392.

The previous prime is 50163552997. The next prime is 50163553021. The reversal of 50163553001 is 10035536105.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26601610000 + 23561943001 = 163100^2 + 153499^2 .

It is a cyclic number.

It is not a de Polignac number, because 50163553001 - 2² = 50163552997 is a prime.

It is a super-2 number, since 2×50163553001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50163553021) 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, 74426300 + ... + 74426973.

It is an arithmetic number, because the mean of its divisors is an integer number (12578101653).

Almost surely, 2^50163553001 is an apocalyptic number.

It is an amenable number.

50163553001 is a deficient number, since it is larger than the sum of its proper divisors (148853611).

50163553001 is a wasteful number, since it uses less digits than its factorization.

50163553001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148853610.

The product of its (nonzero) digits is 6750, while the sum is 29.

The spelling of 50163553001 in words is "fifty billion, one hundred sixty-three million, five hundred fifty-three thousand, one".