52386445 has 4 divisors (see below), whose sum is σ = 62863740. Its totient is φ = 41909152.

The previous prime is 52386409. The next prime is 52386457. The reversal of 52386445 is 54468325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22553001 + 29833444 = 4749^2 + 5462^2 .

It is a cyclic number.

It is not a de Polignac number, because 52386445 - 2⁷ = 52386317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5238640 + ... + 5238649.

It is an arithmetic number, because the mean of its divisors is an integer number (15715935).

Almost surely, 2^52386445 is an apocalyptic number.

It is an amenable number.

52386445 is a deficient number, since it is larger than the sum of its proper divisors (10477295).

52386445 is a wasteful number, since it uses less digits than its factorization.

52386445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10477294.

The product of its digits is 115200, while the sum is 37.

The square root of 52386445 is about 7237.8480918019. The cubic root of 52386445 is about 374.1734565781.

It can be divided in two parts, 523 and 86445, that added together give a palindrome (86968).

The spelling of 52386445 in words is "fifty-two million, three hundred eighty-six thousand, four hundred forty-five".