50401543 has 2 divisors, whose sum is σ = 50401544. Its totient is φ = 50401542.

The previous prime is 50401541. The next prime is 50401573. The reversal of 50401543 is 34510405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50401543 - 2¹ = 50401541 is a prime.

Together with 50401541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50401541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25200771 + 25200772.

It is an arithmetic number, because the mean of its divisors is an integer number (25200772).

Almost surely, 2^50401543 is an apocalyptic number.

50401543 is a deficient number, since it is larger than the sum of its proper divisors (1).

50401543 is an equidigital number, since it uses as much as digits as its factorization.

50401543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 50401543 is about 7099.4044116390. The cubic root of 50401543 is about 369.3867196139.

Adding to 50401543 its reverse (34510405), we get a palindrome (84911948).

The spelling of 50401543 in words is "fifty million, four hundred one thousand, five hundred forty-three".