52257563 has 2 divisors, whose sum is σ = 52257564. Its totient is φ = 52257562.

The previous prime is 52257559. The next prime is 52257593. The reversal of 52257563 is 36575225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52257563 - 2² = 52257559 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (52257553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26128781 + 26128782.

It is an arithmetic number, because the mean of its divisors is an integer number (26128782).

Almost surely, 2^52257563 is an apocalyptic number.

52257563 is a deficient number, since it is larger than the sum of its proper divisors (1).

52257563 is an equidigital number, since it uses as much as digits as its factorization.

52257563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 35.

The square root of 52257563 is about 7228.9392721201. The cubic root of 52257563 is about 373.8663553492.

It can be divided in two parts, 522 and 57563, that added together give a palindrome (58085).

The spelling of 52257563 in words is "fifty-two million, two hundred fifty-seven thousand, five hundred sixty-three".