52977907 has 2 divisors, whose sum is σ = 52977908. Its totient is φ = 52977906.

The previous prime is 52977893. The next prime is 52977913. The reversal of 52977907 is 70977925.

It is a happy number.

52977907 is nontrivially palindromic in base 9.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52977907 is a prime.

It is not a weakly prime, because it can be changed into another prime (52977997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26488953 + 26488954.

It is an arithmetic number, because the mean of its divisors is an integer number (26488954).

Almost surely, 2^52977907 is an apocalyptic number.

52977907 is a deficient number, since it is larger than the sum of its proper divisors (1).

52977907 is an equidigital number, since it uses as much as digits as its factorization.

52977907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 277830, while the sum is 46.

The square root of 52977907 is about 7278.5923776511. The cubic root of 52977907 is about 375.5763746957.

The spelling of 52977907 in words is "fifty-two million, nine hundred seventy-seven thousand, nine hundred seven".