53009797 has 4 divisors (see below), whose sum is σ = 53801056. Its totient is φ = 52218540.

The previous prime is 53009773. The next prime is 53009809. The reversal of 53009797 is 79790035.

53009797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53009797 - 2¹⁹ = 52485509 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 (53009707) 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 in 3 ways as a sum of consecutive naturals, for example, 395529 + ... + 395662.

It is an arithmetic number, because the mean of its divisors is an integer number (13450264).

Almost surely, 2^53009797 is an apocalyptic number.

It is an amenable number.

53009797 is a deficient number, since it is larger than the sum of its proper divisors (791259).

53009797 is an equidigital number, since it uses as much as digits as its factorization.

53009797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791258.

The product of its (nonzero) digits is 59535, while the sum is 40.

The square root of 53009797 is about 7280.7827189115. The cubic root of 53009797 is about 375.6517188588.

The spelling of 53009797 in words is "fifty-three million, nine thousand, seven hundred ninety-seven".