50695531 has 4 divisors (see below), whose sum is σ = 50717232. Its totient is φ = 50673832.

The previous prime is 50695523. The next prime is 50695543. The reversal of 50695531 is 13559605.

50695531 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, and also an emirpimes, since its reverse is a distinct semiprime: 13559605 = 5 ⋅2711921.

It is a cyclic number.

It is not a de Polignac number, because 50695531 - 2³ = 50695523 is a prime.

It is a super-2 number, since 2×50695531² = 5140073726743922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50695231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6856 + ... + 12181.

It is an arithmetic number, because the mean of its divisors is an integer number (12679308).

Almost surely, 2^50695531 is an apocalyptic number.

50695531 is a deficient number, since it is larger than the sum of its proper divisors (21701).

50695531 is a wasteful number, since it uses less digits than its factorization.

50695531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21700.

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 50695531 is about 7120.0794237143. The cubic root of 50695531 is about 370.1035283705.

The spelling of 50695531 in words is "fifty million, six hundred ninety-five thousand, five hundred thirty-one".