50290031 has 8 divisors (see below), whose sum is σ = 56754000. Its totient is φ = 44141440.

The previous prime is 50290001. The next prime is 50290039. The reversal of 50290031 is 13009205.

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

It is a cyclic number.

It is not a de Polignac number, because 50290031 - 2¹⁰ = 50289007 is a prime.

It is a super-2 number, since 2×50290031² = 5058174435961922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50289985 and 50290012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50290039) 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, 78506 + ... + 79143.

It is an arithmetic number, because the mean of its divisors is an integer number (7094250).

Almost surely, 2^50290031 is an apocalyptic number.

50290031 is a deficient number, since it is larger than the sum of its proper divisors (6463969).

50290031 is a wasteful number, since it uses less digits than its factorization.

50290031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157689.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 50290031 is about 7091.5464462979. The cubic root of 50290031 is about 369.1140992083.

Adding to 50290031 its reverse (13009205), we get a palindrome (63299236).

The spelling of 50290031 in words is "fifty million, two hundred ninety thousand, thirty-one".