52797917 has 2 divisors, whose sum is σ = 52797918. Its totient is φ = 52797916.

The previous prime is 52797887. The next prime is 52797923. The reversal of 52797917 is 71979725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40081561 + 12716356 = 6331^2 + 3566^2 .

It is a cyclic number.

It is not a de Polignac number, because 52797917 - 2²² = 48603613 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52797947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26398958 + 26398959.

It is an arithmetic number, because the mean of its divisors is an integer number (26398959).

Almost surely, 2^52797917 is an apocalyptic number.

It is an amenable number.

52797917 is a deficient number, since it is larger than the sum of its proper divisors (1).

52797917 is an equidigital number, since it uses as much as digits as its factorization.

52797917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 277830, while the sum is 47.

The square root of 52797917 is about 7266.2175167001. The cubic root of 52797917 is about 375.1505576191.

The spelling of 52797917 in words is "fifty-two million, seven hundred ninety-seven thousand, nine hundred seventeen".