52785377 has 2 divisors, whose sum is σ = 52785378. Its totient is φ = 52785376.

The previous prime is 52785373. The next prime is 52785419. The reversal of 52785377 is 77358725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46185616 + 6599761 = 6796^2 + 2569^2 .

It is a cyclic number.

It is not a de Polignac number, because 52785377 - 2² = 52785373 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52785373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26392688 + 26392689.

It is an arithmetic number, because the mean of its divisors is an integer number (26392689).

Almost surely, 2^52785377 is an apocalyptic number.

It is an amenable number.

52785377 is a deficient number, since it is larger than the sum of its proper divisors (1).

52785377 is an equidigital number, since it uses as much as digits as its factorization.

52785377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 411600, while the sum is 44.

The square root of 52785377 is about 7265.3545680854. The cubic root of 52785377 is about 375.1208546765.

The spelling of 52785377 in words is "fifty-two million, seven hundred eighty-five thousand, three hundred seventy-seven".