52307777 has 2 divisors, whose sum is σ = 52307778. Its totient is φ = 52307776.

The previous prime is 52307753. The next prime is 52307789. The reversal of 52307777 is 77770325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26946481 + 25361296 = 5191^2 + 5036^2 .

It is a cyclic number.

It is not a de Polignac number, because 52307777 - 2⁶ = 52307713 is a prime.

It is a super-2 number, since 2×52307777² = 5472207069363458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52307777.

It is not a weakly prime, because it can be changed into another prime (52307707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26153888 + 26153889.

It is an arithmetic number, because the mean of its divisors is an integer number (26153889).

Almost surely, 2^52307777 is an apocalyptic number.

It is an amenable number.

52307777 is a deficient number, since it is larger than the sum of its proper divisors (1).

52307777 is an equidigital number, since it uses as much as digits as its factorization.

52307777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72030, while the sum is 38.

The square root of 52307777 is about 7232.4115618513. The cubic root of 52307777 is about 373.9860657109.

The spelling of 52307777 in words is "fifty-two million, three hundred seven thousand, seven hundred seventy-seven".