52785451 has 4 divisors (see below), whose sum is σ = 53012232. Its totient is φ = 52558672.

The previous prime is 52785449. The next prime is 52785457. The reversal of 52785451 is 15458725.

52785451 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.

It is a cyclic number.

It is not a de Polignac number, because 52785451 - 2¹ = 52785449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52785451.

It is not an unprimeable number, because it can be changed into a prime (52785457) 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, 113041 + ... + 113506.

It is an arithmetic number, because the mean of its divisors is an integer number (13253058).

Almost surely, 2^52785451 is an apocalyptic number.

52785451 is a deficient number, since it is larger than the sum of its proper divisors (226781).

52785451 is a wasteful number, since it uses less digits than its factorization.

52785451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226780.

The product of its digits is 56000, while the sum is 37.

The square root of 52785451 is about 7265.3596607463. The cubic root of 52785451 is about 375.1210299708.

The spelling of 52785451 in words is "fifty-two million, seven hundred eighty-five thousand, four hundred fifty-one".