52217747 has 2 divisors, whose sum is σ = 52217748. Its totient is φ = 52217746.

The previous prime is 52217743. The next prime is 52217771. The reversal of 52217747 is 74771225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52217747 - 2² = 52217743 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52217743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26108873 + 26108874.

It is an arithmetic number, because the mean of its divisors is an integer number (26108874).

Almost surely, 2^52217747 is an apocalyptic number.

52217747 is a deficient number, since it is larger than the sum of its proper divisors (1).

52217747 is an equidigital number, since it uses as much as digits as its factorization.

52217747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27440, while the sum is 35.

The square root of 52217747 is about 7226.1848163467. The cubic root of 52217747 is about 373.7713793358.

The spelling of 52217747 in words is "fifty-two million, two hundred seventeen thousand, seven hundred forty-seven".