50920769 has 4 divisors (see below), whose sum is σ = 52297044. Its totient is φ = 49544496.

The previous prime is 50920759. The next prime is 50920783. The reversal of 50920769 is 96702905.

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 45064369 + 5856400 = 6713^2 + 2420^2 .

It is a cyclic number.

It is not a de Polignac number, because 50920769 - 2²⁴ = 34143553 is a prime.

It is a super-2 number, since 2×50920769² = 5185849431102722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50920759) 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, 688082 + ... + 688155.

It is an arithmetic number, because the mean of its divisors is an integer number (13074261).

Almost surely, 2^50920769 is an apocalyptic number.

It is an amenable number.

50920769 is a deficient number, since it is larger than the sum of its proper divisors (1376275).

50920769 is a wasteful number, since it uses less digits than its factorization.

50920769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376274.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 50920769 is about 7135.8789928081. The cubic root of 50920769 is about 370.6508364780.

The spelling of 50920769 in words is "fifty million, nine hundred twenty thousand, seven hundred sixty-nine".