50355521 has 2 divisors, whose sum is σ = 50355522. Its totient is φ = 50355520.

The previous prime is 50355511. The next prime is 50355527. The reversal of 50355521 is 12555305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47679025 + 2676496 = 6905^2 + 1636^2 .

It is a cyclic number.

It is not a de Polignac number, because 50355521 - 2⁶ = 50355457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50355527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25177760 + 25177761.

It is an arithmetic number, because the mean of its divisors is an integer number (25177761).

Almost surely, 2^50355521 is an apocalyptic number.

It is an amenable number.

50355521 is a deficient number, since it is larger than the sum of its proper divisors (1).

50355521 is an equidigital number, since it uses as much as digits as its factorization.

50355521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 50355521 is about 7096.1624135867. The cubic root of 50355521 is about 369.2742555141.

The spelling of 50355521 in words is "fifty million, three hundred fifty-five thousand, five hundred twenty-one".