50769681 has 8 divisors (see below), whose sum is σ = 68325984. Its totient is φ = 33529920.

The previous prime is 50769659. The next prime is 50769709. The reversal of 50769681 is 18696705.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50769681 - 2¹⁵ = 50736913 is a prime.

It is a super-2 number, since 2×50769681² = 5155121017683522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50769781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78760 + ... + 79401.

It is an arithmetic number, because the mean of its divisors is an integer number (8540748).

Almost surely, 2^50769681 is an apocalyptic number.

It is an amenable number.

50769681 is a deficient number, since it is larger than the sum of its proper divisors (17556303).

50769681 is a wasteful number, since it uses less digits than its factorization.

50769681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158271.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 50769681 is about 7125.2846258939. The cubic root of 50769681 is about 370.2838848832.

The spelling of 50769681 in words is "fifty million, seven hundred sixty-nine thousand, six hundred eighty-one".