50809031 has 36 divisors (see below), whose sum is σ = 66562776. Its totient is φ = 38435040.

The previous prime is 50809027. The next prime is 50809037. The reversal of 50809031 is 13090805.

It is not a de Polignac number, because 50809031 - 2² = 50809027 is a prime.

It is a super-2 number, since 2×50809031² = 5163115262317922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50809037) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 612116 + ... + 612198.

It is an arithmetic number, because the mean of its divisors is an integer number (1848966).

Almost surely, 2^50809031 is an apocalyptic number.

50809031 is a deficient number, since it is larger than the sum of its proper divisors (15753745).

50809031 is a wasteful number, since it uses less digits than its factorization.

50809031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 50809031 is about 7128.0453842551. The cubic root of 50809031 is about 370.3795253506.

Adding to 50809031 its reverse (13090805), we get a palindrome (63899836).

The spelling of 50809031 in words is "fifty million, eight hundred nine thousand, thirty-one".