50021437 has 2 divisors, whose sum is σ = 50021438. Its totient is φ = 50021436.

The previous prime is 50021431. The next prime is 50021467. The reversal of 50021437 is 73412005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30758116 + 19263321 = 5546^2 + 4389^2 .

It is a cyclic number.

It is not a de Polignac number, because 50021437 - 2¹⁵ = 49988669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50021431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25010718 + 25010719.

It is an arithmetic number, because the mean of its divisors is an integer number (25010719).

Almost surely, 2^50021437 is an apocalyptic number.

It is an amenable number.

50021437 is a deficient number, since it is larger than the sum of its proper divisors (1).

50021437 is an equidigital number, since it uses as much as digits as its factorization.

50021437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 50021437 is about 7072.5834742334. The cubic root of 50021437 is about 368.4557920636.

The spelling of 50021437 in words is "fifty million, twenty-one thousand, four hundred thirty-seven".