50143237 has 2 divisors, whose sum is σ = 50143238. Its totient is φ = 50143236.

The previous prime is 50143229. The next prime is 50143259. The reversal of 50143237 is 73234105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50041476 + 101761 = 7074^2 + 319^2 .

It is a cyclic number.

It is not a de Polignac number, because 50143237 - 2³ = 50143229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50143837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25071618 + 25071619.

It is an arithmetic number, because the mean of its divisors is an integer number (25071619).

Almost surely, 2^50143237 is an apocalyptic number.

It is an amenable number.

50143237 is a deficient number, since it is larger than the sum of its proper divisors (1).

50143237 is an equidigital number, since it uses as much as digits as its factorization.

50143237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 50143237 is about 7081.1889538410. The cubic root of 50143237 is about 368.7546075456.

The spelling of 50143237 in words is "fifty million, one hundred forty-three thousand, two hundred thirty-seven".