53963251 has 4 divisors (see below), whose sum is σ = 54079272. Its totient is φ = 53847232.

The previous prime is 53963213. The next prime is 53963297. The reversal of 53963251 is 15236935.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53963251 - 2⁷ = 53963123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53960251) by changing a digit.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57310 + ... + 58243.

It is an arithmetic number, because the mean of its divisors is an integer number (13519818).

Almost surely, 2^53963251 is an apocalyptic number.

53963251 is a deficient number, since it is larger than the sum of its proper divisors (116021).

53963251 is a wasteful number, since it uses less digits than its factorization.

53963251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116020.

The product of its digits is 24300, while the sum is 34.

The square root of 53963251 is about 7345.9683500543. The cubic root of 53963251 is about 377.8905532170.

The spelling of 53963251 in words is "fifty-three million, nine hundred sixty-three thousand, two hundred fifty-one".