53947259 has 4 divisors (see below), whose sum is σ = 56292816. Its totient is φ = 51601704.

The previous prime is 53947249. The next prime is 53947277. The reversal of 53947259 is 95274935.

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 53947259 - 2²⁰ = 52898683 is a prime.

It is a super-2 number, since 2×53947259² = 5820613507226162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53947249) 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, 1172744 + ... + 1172789.

It is an arithmetic number, because the mean of its divisors is an integer number (14073204).

Almost surely, 2^53947259 is an apocalyptic number.

53947259 is a deficient number, since it is larger than the sum of its proper divisors (2345557).

53947259 is a wasteful number, since it uses less digits than its factorization.

53947259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345556.

The product of its digits is 340200, while the sum is 44.

The square root of 53947259 is about 7344.8797811809. The cubic root of 53947259 is about 377.8532202624.

The spelling of 53947259 in words is "fifty-three million, nine hundred forty-seven thousand, two hundred fifty-nine".