50243895405 has 60 divisors (see below), whose sum is σ = 98999179356. Its totient is φ = 24360652800.

The previous prime is 50243895367. The next prime is 50243895409. The reversal of 50243895405 is 50459834205.

50243895405 is a `hidden beast` number, since 5 + 0 + 24 + 3 + 89 + 540 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 33218343081 + 17025552324 = 182259^2 + 130482^2 .

It is not a de Polignac number, because 50243895405 - 2⁶ = 50243895341 is a prime.

It is a super-2 number, since 2×50243895405² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50243895409) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 463636 + ... + 561645.

Almost surely, 2^50243895405 is an apocalyptic number.

50243895405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50243895405 is a deficient number, since it is larger than the sum of its proper divisors (48755283951).

50243895405 is a wasteful number, since it uses less digits than its factorization.

50243895405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025320 (or 1025300 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 50243895405 in words is "fifty billion, two hundred forty-three million, eight hundred ninety-five thousand, four hundred five".