52755517 has 2 divisors, whose sum is σ = 52755518. Its totient is φ = 52755516.

The previous prime is 52755503. The next prime is 52755523. The reversal of 52755517 is 71555725.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52504516 + 251001 = 7246^2 + 501^2 .

It is a cyclic number.

It is not a de Polignac number, because 52755517 - 2⁷ = 52755389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52755557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26377758 + 26377759.

It is an arithmetic number, because the mean of its divisors is an integer number (26377759).

Almost surely, 2^52755517 is an apocalyptic number.

It is an amenable number.

52755517 is a deficient number, since it is larger than the sum of its proper divisors (1).

52755517 is an equidigital number, since it uses as much as digits as its factorization.

52755517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61250, while the sum is 37.

The square root of 52755517 is about 7263.2993191800. The cubic root of 52755517 is about 375.0501076747.

The spelling of 52755517 in words is "fifty-two million, seven hundred fifty-five thousand, five hundred seventeen".