50566703694 has 64 divisors (see below), whose sum is σ = 115581199104. Its totient is φ = 14610525696.

The previous prime is 50566703687. The next prime is 50566703743. The reversal of 50566703694 is 49630766505.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 544377 + ... + 630459.

It is an arithmetic number, because the mean of its divisors is an integer number (1805956236).

Almost surely, 2^50566703694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50566703694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57790599552).

50566703694 is an abundant number, since it is smaller than the sum of its proper divisors (65014495410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50566703694 is a wasteful number, since it uses less digits than its factorization.

50566703694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86561.

The product of its (nonzero) digits is 4082400, while the sum is 51.

The spelling of 50566703694 in words is "fifty billion, five hundred sixty-six million, seven hundred three thousand, six hundred ninety-four".