50660521 has 2 divisors, whose sum is σ = 50660522. Its totient is φ = 50660520.

The previous prime is 50660507. The next prime is 50660539. The reversal of 50660521 is 12506605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30085225 + 20575296 = 5485^2 + 4536^2 .

It is a cyclic number.

It is not a de Polignac number, because 50660521 - 2⁹ = 50660009 is a prime.

It is not a weakly prime, because it can be changed into another prime (50660581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25330260 + 25330261.

It is an arithmetic number, because the mean of its divisors is an integer number (25330261).

Almost surely, 2^50660521 is an apocalyptic number.

It is an amenable number.

50660521 is a deficient number, since it is larger than the sum of its proper divisors (1).

50660521 is an equidigital number, since it uses as much as digits as its factorization.

50660521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 50660521 is about 7117.6204591141. The cubic root of 50660521 is about 370.0183117307.

The spelling of 50660521 in words is "fifty million, six hundred sixty thousand, five hundred twenty-one".