50105351623 has 6 divisors (see below), whose sum is σ = 50864359056. Its totient is φ = 49357506132.

The previous prime is 50105351609. The next prime is 50105351633. The reversal of 50105351623 is 32615350105.

It is a de Polignac number, because none of the positive numbers 2^k-50105351623 is a prime.

It is a super-2 number, since 2×50105351623² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50105351633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5576415 + ... + 5585392.

It is an arithmetic number, because the mean of its divisors is an integer number (8477393176).

Almost surely, 2^50105351623 is an apocalyptic number.

50105351623 is a deficient number, since it is larger than the sum of its proper divisors (759007433).

50105351623 is an equidigital number, since it uses as much as digits as its factorization.

50105351623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11161941 (or 11161874 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 50105351623 in words is "fifty billion, one hundred five million, three hundred fifty-one thousand, six hundred twenty-three".