50645377 has 2 divisors, whose sum is σ = 50645378. Its totient is φ = 50645376.

The previous prime is 50645359. The next prime is 50645381. The reversal of 50645377 is 77354605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50637456 + 7921 = 7116^2 + 89^2 .

It is a cyclic number.

It is not a de Polignac number, because 50645377 - 2¹⁹ = 50121089 is a prime.

It is a super-4 number, since 4×50645377⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (50645327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25322688 + 25322689.

It is an arithmetic number, because the mean of its divisors is an integer number (25322689).

Almost surely, 2^50645377 is an apocalyptic number.

It is an amenable number.

50645377 is a deficient number, since it is larger than the sum of its proper divisors (1).

50645377 is an equidigital number, since it uses as much as digits as its factorization.

50645377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 50645377 is about 7116.5565409122. The cubic root of 50645377 is about 369.9814380754.

The spelling of 50645377 in words is "fifty million, six hundred forty-five thousand, three hundred seventy-seven".