50445569 has 2 divisors, whose sum is σ = 50445570. Its totient is φ = 50445568.

The previous prime is 50445557. The next prime is 50445581. The reversal of 50445569 is 96554405.

It is a balanced prime because it is at equal distance from previous prime (50445557) and next prime (50445581).

It can be written as a sum of positive squares in only one way, i.e., 27164944 + 23280625 = 5212^2 + 4825^2 .

It is a cyclic number.

It is not a de Polignac number, because 50445569 - 2¹² = 50441473 is a prime.

It is a super-2 number, since 2×50445569² = 5089510863467522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50445169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25222784 + 25222785.

It is an arithmetic number, because the mean of its divisors is an integer number (25222785).

Almost surely, 2^50445569 is an apocalyptic number.

It is an amenable number.

50445569 is a deficient number, since it is larger than the sum of its proper divisors (1).

50445569 is an equidigital number, since it uses as much as digits as its factorization.

50445569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 50445569 is about 7102.5044174573. The cubic root of 50445569 is about 369.4942420288.

The spelling of 50445569 in words is "fifty million, four hundred forty-five thousand, five hundred sixty-nine".