52647719 has 2 divisors, whose sum is σ = 52647720. Its totient is φ = 52647718.

The previous prime is 52647671. The next prime is 52647739. The reversal of 52647719 is 91774625.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52647719 is a prime.

It is a super-2 number, since 2×52647719² = 5543564631805922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52647739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26323859 + 26323860.

It is an arithmetic number, because the mean of its divisors is an integer number (26323860).

Almost surely, 2^52647719 is an apocalyptic number.

52647719 is a deficient number, since it is larger than the sum of its proper divisors (1).

52647719 is an equidigital number, since it uses as much as digits as its factorization.

52647719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The square root of 52647719 is about 7255.8747921943. The cubic root of 52647719 is about 374.7944805705.

The spelling of 52647719 in words is "fifty-two million, six hundred forty-seven thousand, seven hundred nineteen".