50742293761 has 4 divisors (see below), whose sum is σ = 51979910724. Its totient is φ = 49504676800.

The previous prime is 50742293717. The next prime is 50742293773. The reversal of 50742293761 is 16739224705.

50742293761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22095038736 + 28647255025 = 148644^2 + 169255^2 .

It is a cyclic number.

It is not a de Polignac number, because 50742293761 - 2⁷ = 50742293633 is a prime.

It is a super-2 number, since 2×50742293761² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50742293461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618808420 + ... + 618808501.

It is an arithmetic number, because the mean of its divisors is an integer number (12994977681).

Almost surely, 2^50742293761 is an apocalyptic number.

It is an amenable number.

50742293761 is a deficient number, since it is larger than the sum of its proper divisors (1237616963).

50742293761 is a wasteful number, since it uses less digits than its factorization.

50742293761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237616962.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 50742293761 in words is "fifty billion, seven hundred forty-two million, two hundred ninety-three thousand, seven hundred sixty-one".