53250791 has 4 divisors (see below), whose sum is σ = 58091784. Its totient is φ = 48409800.

The previous prime is 53250779. The next prime is 53250793. The reversal of 53250791 is 19705235.

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 53250791 - 2¹⁴ = 53234407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53250793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2420480 + ... + 2420501.

It is an arithmetic number, because the mean of its divisors is an integer number (14522946).

Almost surely, 2^53250791 is an apocalyptic number.

53250791 is a deficient number, since it is larger than the sum of its proper divisors (4840993).

53250791 is a wasteful number, since it uses less digits than its factorization.

53250791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4840992.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 53250791 is about 7297.3139578889. The cubic root of 53250791 is about 376.2201230125.

The spelling of 53250791 in words is "fifty-three million, two hundred fifty thousand, seven hundred ninety-one".