52787957 has 2 divisors, whose sum is σ = 52787958. Its totient is φ = 52787956.

The previous prime is 52787929. The next prime is 52787963. The reversal of 52787957 is 75978725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26481316 + 26306641 = 5146^2 + 5129^2 .

It is a cyclic number.

It is not a de Polignac number, because 52787957 - 2¹⁴ = 52771573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52787557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26393978 + 26393979.

It is an arithmetic number, because the mean of its divisors is an integer number (26393979).

Almost surely, 2^52787957 is an apocalyptic number.

It is an amenable number.

52787957 is a deficient number, since it is larger than the sum of its proper divisors (1).

52787957 is an equidigital number, since it uses as much as digits as its factorization.

52787957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1234800, while the sum is 50.

The square root of 52787957 is about 7265.5321209117. The cubic root of 52787957 is about 375.1269661926.

The spelling of 52787957 in words is "fifty-two million, seven hundred eighty-seven thousand, nine hundred fifty-seven".