52911893 has 2 divisors, whose sum is σ = 52911894. Its totient is φ = 52911892.

The previous prime is 52911889. The next prime is 52911913. The reversal of 52911893 is 39811925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49252324 + 3659569 = 7018^2 + 1913^2 .

It is a cyclic number.

It is not a de Polignac number, because 52911893 - 2² = 52911889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52911193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26455946 + 26455947.

It is an arithmetic number, because the mean of its divisors is an integer number (26455947).

Almost surely, 2^52911893 is an apocalyptic number.

It is an amenable number.

52911893 is a deficient number, since it is larger than the sum of its proper divisors (1).

52911893 is an equidigital number, since it uses as much as digits as its factorization.

52911893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 38.

The square root of 52911893 is about 7274.0561587054. The cubic root of 52911893 is about 375.4203121320.

The spelling of 52911893 in words is "fifty-two million, nine hundred eleven thousand, eight hundred ninety-three".