50011431 has 24 divisors (see below), whose sum is σ = 70132992. Its totient is φ = 31684800.

The previous prime is 50011417. The next prime is 50011459. The reversal of 50011431 is 13411005.

It is not a de Polignac number, because 50011431 - 2¹⁰ = 50010407 is a prime.

It is a super-2 number, since 2×50011431² = 5002286461335522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50011431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50011411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236916 + ... + 237126.

It is an arithmetic number, because the mean of its divisors is an integer number (2922208).

Almost surely, 2^50011431 is an apocalyptic number.

50011431 is a deficient number, since it is larger than the sum of its proper divisors (20121561).

50011431 is a wasteful number, since it uses less digits than its factorization.

50011431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 50011431 is about 7071.8760594343. The cubic root of 50011431 is about 368.4312225009.

Adding to 50011431 its reverse (13411005), we get a palindrome (63422436).

The spelling of 50011431 in words is "fifty million, eleven thousand, four hundred thirty-one".