52277279 has 2 divisors, whose sum is σ = 52277280. Its totient is φ = 52277278.

The previous prime is 52277249. The next prime is 52277287. The reversal of 52277279 is 97277225.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52277279 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 (52277249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26138639 + 26138640.

It is an arithmetic number, because the mean of its divisors is an integer number (26138640).

Almost surely, 2^52277279 is an apocalyptic number.

52277279 is a deficient number, since it is larger than the sum of its proper divisors (1).

52277279 is an equidigital number, since it uses as much as digits as its factorization.

52277279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123480, while the sum is 41.

The square root of 52277279 is about 7230.3028290660. The cubic root of 52277279 is about 373.9133675060.

The spelling of 52277279 in words is "fifty-two million, two hundred seventy-seven thousand, two hundred seventy-nine".