52899991 has 2 divisors, whose sum is σ = 52899992. Its totient is φ = 52899990.

The previous prime is 52899953. The next prime is 52899997. The reversal of 52899991 is 19999825.

52899991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52899991 - 2⁹ = 52899479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52899997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26449995 + 26449996.

It is an arithmetic number, because the mean of its divisors is an integer number (26449996).

Almost surely, 2^52899991 is an apocalyptic number.

52899991 is a deficient number, since it is larger than the sum of its proper divisors (1).

52899991 is an equidigital number, since it uses as much as digits as its factorization.

52899991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 52.

The square root of 52899991 is about 7273.2379996807. The cubic root of 52899991 is about 375.3921610089.

It can be divided in two parts, 5289999 and 1, that added together give a square (5290000 = 2300²).

The spelling of 52899991 in words is "fifty-two million, eight hundred ninety-nine thousand, nine hundred ninety-one".