52946869 has 2 divisors, whose sum is σ = 52946870. Its totient is φ = 52946868.

The previous prime is 52946809. The next prime is 52946879. The reversal of 52946869 is 96864925.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40259025 + 12687844 = 6345^2 + 3562^2 .

It is a cyclic number.

It is not a de Polignac number, because 52946869 - 2¹⁵ = 52914101 is a prime.

It is a super-2 number, since 2×52946869² = 5606741873806322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52946809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26473434 + 26473435.

It is an arithmetic number, because the mean of its divisors is an integer number (26473435).

Almost surely, 2^52946869 is an apocalyptic number.

It is an amenable number.

52946869 is a deficient number, since it is larger than the sum of its proper divisors (1).

52946869 is an equidigital number, since it uses as much as digits as its factorization.

52946869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 49.

The square root of 52946869 is about 7276.4599222424. The cubic root of 52946869 is about 375.5030144504.

The spelling of 52946869 in words is "fifty-two million, nine hundred forty-six thousand, eight hundred sixty-nine".