50536431 has 24 divisors (see below), whose sum is σ = 79878864. Its totient is φ = 30533760.

The previous prime is 50536429. The next prime is 50536439. The reversal of 50536431 is 13463505.

50536431 is a nontrivial binomial coefficient, being equal to C(10054, 2).

It is not a de Polignac number, because 50536431 - 2¹ = 50536429 is a prime.

It is a super-2 number, since 2×50536431² = 5107861716435522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50536395 and 50536404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50536439) 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, 44685 + ... + 45801.

It is an arithmetic number, because the mean of its divisors is an integer number (3328286).

Almost surely, 2^50536431 is an apocalyptic number.

50536431 is the 10053-rd triangular number and also the 5027-th hexagonal number.

50536431 is a deficient number, since it is larger than the sum of its proper divisors (29342433).

50536431 is a wasteful number, since it uses less digits than its factorization.

50536431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 50536431 is about 7108.8980158672. The cubic root of 50536431 is about 369.7159519466.

Adding to 50536431 its reverse (13463505), we get a palindrome (63999936).

The spelling of 50536431 in words is "fifty million, five hundred thirty-six thousand, four hundred thirty-one".