50945031 has 20 divisors (see below), whose sum is σ = 77545512. Its totient is φ = 33319728.

The previous prime is 50945017. The next prime is 50945051. The reversal of 50945031 is 13054905.

It is not a de Polignac number, because 50945031 - 2¹⁰ = 50944007 is a prime.

It is a super-2 number, since 2×50945031² = 5190792367181922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 50944986 and 50945004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50945051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1641 + ... + 10226.

Almost surely, 2^50945031 is an apocalyptic number.

50945031 is a deficient number, since it is larger than the sum of its proper divisors (26600481).

50945031 is a wasteful number, since it uses less digits than its factorization.

50945031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11932 (or 11923 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 50945031 is about 7137.5787911588. The cubic root of 50945031 is about 370.7096946015.

Adding to 50945031 its reverse (13054905), we get a palindrome (63999936).

The spelling of 50945031 in words is "fifty million, nine hundred forty-five thousand, thirty-one".