50644577 has 2 divisors, whose sum is σ = 50644578. Its totient is φ = 50644576.

The previous prime is 50644549. The next prime is 50644603. The reversal of 50644577 is 77544605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41977441 + 8667136 = 6479^2 + 2944^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50644577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50644577.

It is not a weakly prime, because it can be changed into another prime (50644507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25322288 + 25322289.

It is an arithmetic number, because the mean of its divisors is an integer number (25322289).

Almost surely, 2^50644577 is an apocalyptic number.

It is an amenable number.

50644577 is a deficient number, since it is larger than the sum of its proper divisors (1).

50644577 is an equidigital number, since it uses as much as digits as its factorization.

50644577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 50644577 is about 7116.5003337315. The cubic root of 50644577 is about 369.9794899758.

The spelling of 50644577 in words is "fifty million, six hundred forty-four thousand, five hundred seventy-seven".