53874991 has 2 divisors, whose sum is σ = 53874992. Its totient is φ = 53874990.

The previous prime is 53874979. The next prime is 53875037. The reversal of 53874991 is 19947835.

It is a happy number.

53874991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (53875037) can be obtained adding 53874991 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53874991 - 2²¹ = 51777839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53874911) 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, 26937495 + 26937496.

It is an arithmetic number, because the mean of its divisors is an integer number (26937496).

Almost surely, 2^53874991 is an apocalyptic number.

53874991 is a deficient number, since it is larger than the sum of its proper divisors (1).

53874991 is an equidigital number, since it uses as much as digits as its factorization.

53874991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 46.

The square root of 53874991 is about 7339.9585148691. The cubic root of 53874991 is about 377.6844202189.

The spelling of 53874991 in words is "fifty-three million, eight hundred seventy-four thousand, nine hundred ninety-one".