52815967 has 2 divisors, whose sum is σ = 52815968. Its totient is φ = 52815966.

The previous prime is 52815943. The next prime is 52816009. The reversal of 52815967 is 76951825.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52815967 - 2¹¹ = 52813919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52815907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26407983 + 26407984.

It is an arithmetic number, because the mean of its divisors is an integer number (26407984).

Almost surely, 2^52815967 is an apocalyptic number.

52815967 is a deficient number, since it is larger than the sum of its proper divisors (1).

52815967 is an equidigital number, since it uses as much as digits as its factorization.

52815967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 43.

The square root of 52815967 is about 7267.4594598112. The cubic root of 52815967 is about 375.1933035987.

The spelling of 52815967 in words is "fifty-two million, eight hundred fifteen thousand, nine hundred sixty-seven".