50521069 has 2 divisors, whose sum is σ = 50521070. Its totient is φ = 50521068.

The previous prime is 50521043. The next prime is 50521073. The reversal of 50521069 is 96012505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36360900 + 14160169 = 6030^2 + 3763^2 .

It is a cyclic number.

It is not a de Polignac number, because 50521069 - 2¹⁹ = 49996781 is a prime.

It is a super-2 number, since 2×50521069² = 5104756825805522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50551069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25260534 + 25260535.

It is an arithmetic number, because the mean of its divisors is an integer number (25260535).

Almost surely, 2^50521069 is an apocalyptic number.

It is an amenable number.

50521069 is a deficient number, since it is larger than the sum of its proper divisors (1).

50521069 is an equidigital number, since it uses as much as digits as its factorization.

50521069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 50521069 is about 7107.8174568569. The cubic root of 50521069 is about 369.6784862218.

The spelling of 50521069 in words is "fifty million, five hundred twenty-one thousand, sixty-nine".