50744821 has 2 divisors, whose sum is σ = 50744822. Its totient is φ = 50744820.

The previous prime is 50744803. The next prime is 50744833. The reversal of 50744821 is 12844705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50552100 + 192721 = 7110^2 + 439^2 .

It is a cyclic number.

It is not a de Polignac number, because 50744821 - 2¹³ = 50736629 is a prime.

It is a super-3 number, since 3×50744821³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50744891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25372410 + 25372411.

It is an arithmetic number, because the mean of its divisors is an integer number (25372411).

Almost surely, 2^50744821 is an apocalyptic number.

It is an amenable number.

50744821 is a deficient number, since it is larger than the sum of its proper divisors (1).

50744821 is an equidigital number, since it uses as much as digits as its factorization.

50744821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 50744821 is about 7123.5399205732. The cubic root of 50744821 is about 370.2234369932.

The spelling of 50744821 in words is "fifty million, seven hundred forty-four thousand, eight hundred twenty-one".