52240789 has 4 divisors (see below), whose sum is σ = 52255840. Its totient is φ = 52225740.

The previous prime is 52240777. The next prime is 52240801. The reversal of 52240789 is 98704225.

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, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (52240777) and next prime (52240801).

It is a cyclic number.

It is not a de Polignac number, because 52240789 - 2¹¹ = 52238741 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 (52240739) 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, 622 + ... + 10240.

It is an arithmetic number, because the mean of its divisors is an integer number (13063960).

Almost surely, 2^52240789 is an apocalyptic number.

It is an amenable number.

52240789 is a deficient number, since it is larger than the sum of its proper divisors (15051).

52240789 is an equidigital number, since it uses as much as digits as its factorization.

52240789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15050.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 52240789 is about 7227.7789811255. The cubic root of 52240789 is about 373.8263489846.

The spelling of 52240789 in words is "fifty-two million, two hundred forty thousand, seven hundred eighty-nine".