52775279 has 2 divisors, whose sum is σ = 52775280. Its totient is φ = 52775278.

The previous prime is 52775269. The next prime is 52775287. The reversal of 52775279 is 97257725.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52775279 - 2¹² = 52771183 is a prime.

It is a Sophie Germain 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 (52775249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26387639 + 26387640.

It is an arithmetic number, because the mean of its divisors is an integer number (26387640).

Almost surely, 2^52775279 is an apocalyptic number.

52775279 is a deficient number, since it is larger than the sum of its proper divisors (1).

52775279 is an equidigital number, since it uses as much as digits as its factorization.

52775279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 308700, while the sum is 44.

The square root of 52775279 is about 7264.6595928509. The cubic root of 52775279 is about 375.0969325717.

The spelling of 52775279 in words is "fifty-two million, seven hundred seventy-five thousand, two hundred seventy-nine".