52355977 has 2 divisors, whose sum is σ = 52355978. Its totient is φ = 52355976.

The previous prime is 52355959. The next prime is 52356013. The reversal of 52355977 is 77955325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47941776 + 4414201 = 6924^2 + 2101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52355977 is a prime.

It is a super-2 number, since 2×52355977² = 5482296655249058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52355957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26177988 + 26177989.

It is an arithmetic number, because the mean of its divisors is an integer number (26177989).

Almost surely, 2^52355977 is an apocalyptic number.

It is an amenable number.

52355977 is a deficient number, since it is larger than the sum of its proper divisors (1).

52355977 is an equidigital number, since it uses as much as digits as its factorization.

52355977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 330750, while the sum is 43.

The square root of 52355977 is about 7235.7430164427. The cubic root of 52355977 is about 374.1009026459.

The spelling of 52355977 in words is "fifty-two million, three hundred fifty-five thousand, nine hundred seventy-seven".