50505571 has 2 divisors, whose sum is σ = 50505572. Its totient is φ = 50505570.

The previous prime is 50505551. The next prime is 50505577. The reversal of 50505571 is 17550505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50505571 - 2¹³ = 50497379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50505577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252785 + 25252786.

It is an arithmetic number, because the mean of its divisors is an integer number (25252786).

Almost surely, 2^50505571 is an apocalyptic number.

50505571 is a deficient number, since it is larger than the sum of its proper divisors (1).

50505571 is an equidigital number, since it uses as much as digits as its factorization.

50505571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4375, while the sum is 28.

The square root of 50505571 is about 7106.7271651584. The cubic root of 50505571 is about 369.6406811157.

It can be divided in two parts, 50505 and 571, that added together give a square (51076 = 226²).

The spelling of 50505571 in words is "fifty million, five hundred five thousand, five hundred seventy-one".