50609779507 has 12 divisors (see below), whose sum is σ = 59870444760. Its totient is φ = 42644557536.

The previous prime is 50609779489. The next prime is 50609779511. The reversal of 50609779507 is 70597790605.

It is not a de Polignac number, because 50609779507 - 2¹¹ = 50609777459 is a prime.

It is a super-2 number, since 2×50609779507² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50609779607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8750098 + ... + 8755879.

It is an arithmetic number, because the mean of its divisors is an integer number (4989203730).

Almost surely, 2^50609779507 is an apocalyptic number.

50609779507 is a deficient number, since it is larger than the sum of its proper divisors (9260665253).

50609779507 is a wasteful number, since it uses less digits than its factorization.

50609779507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17506050 (or 17506043 counting only the distinct ones).

The product of its (nonzero) digits is 4167450, while the sum is 55.

It can be divided in two parts, 50609 and 779507, that added together give a triangular number (830116 = T₁₂₈₈).

The spelling of 50609779507 in words is "fifty billion, six hundred nine million, seven hundred seventy-nine thousand, five hundred seven".