50786653519 has 16 divisors (see below), whose sum is σ = 61515417600. Its totient is φ = 40931213184.

The previous prime is 50786653507. The next prime is 50786653529. The reversal of 50786653519 is 91535668705.

It is a cyclic number.

It is not a de Polignac number, because 50786653519 - 2¹⁹ = 50786129231 is a prime.

It is a super-2 number, since 2×50786653519² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50786653519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50786653529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81739 + ... + 329020.

It is an arithmetic number, because the mean of its divisors is an integer number (3844713600).

Almost surely, 2^50786653519 is an apocalyptic number.

50786653519 is a deficient number, since it is larger than the sum of its proper divisors (10728764081).

50786653519 is a wasteful number, since it uses less digits than its factorization.

50786653519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411822.

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 50786653519 in words is "fifty billion, seven hundred eighty-six million, six hundred fifty-three thousand, five hundred nineteen".