52919491 has 2 divisors, whose sum is σ = 52919492. Its totient is φ = 52919490.

The previous prime is 52919483. The next prime is 52919501. The reversal of 52919491 is 19491925.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52919491 - 2³ = 52919483 is a prime.

It is not a weakly prime, because it can be changed into another prime (52919411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26459745 + 26459746.

It is an arithmetic number, because the mean of its divisors is an integer number (26459746).

Almost surely, 2^52919491 is an apocalyptic number.

52919491 is a deficient number, since it is larger than the sum of its proper divisors (1).

52919491 is an equidigital number, since it uses as much as digits as its factorization.

52919491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 40.

The square root of 52919491 is about 7274.5784070281. The cubic root of 52919491 is about 375.4382810412.

The spelling of 52919491 in words is "fifty-two million, nine hundred nineteen thousand, four hundred ninety-one".