50440131 has 32 divisors (see below), whose sum is σ = 88166400. Its totient is φ = 27889920.

The previous prime is 50440129. The next prime is 50440133. The reversal of 50440131 is 13104405.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (50440129) and next prime (50440133).

It is not a de Polignac number, because 50440131 - 2¹ = 50440129 is a prime.

It is a super-2 number, since 2×50440131² = 5088413630594322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50440133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1555 + ... + 10163.

It is an arithmetic number, because the mean of its divisors is an integer number (2755200).

Almost surely, 2^50440131 is an apocalyptic number.

50440131 is a deficient number, since it is larger than the sum of its proper divisors (37726269).

50440131 is a wasteful number, since it uses less digits than its factorization.

50440131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8656 (or 8650 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 50440131 is about 7102.1215844281. The cubic root of 50440131 is about 369.4809644709.

Adding to 50440131 its reverse (13104405), we get a palindrome (63544536).

The spelling of 50440131 in words is "fifty million, four hundred forty thousand, one hundred thirty-one".