52404845 has 4 divisors (see below), whose sum is σ = 62885820. Its totient is φ = 41923872.

The previous prime is 52404841. The next prime is 52404851. The reversal of 52404845 is 54840425.

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 36228361 + 16176484 = 6019^2 + 4022^2 .

It is a cyclic number.

It is not a de Polignac number, because 52404845 - 2² = 52404841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52404841) 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, 5240480 + ... + 5240489.

It is an arithmetic number, because the mean of its divisors is an integer number (15721455).

Almost surely, 2^52404845 is an apocalyptic number.

It is an amenable number.

52404845 is a deficient number, since it is larger than the sum of its proper divisors (10480975).

52404845 is a wasteful number, since it uses less digits than its factorization.

52404845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10480974.

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 52404845 is about 7239.1190762413. The cubic root of 52404845 is about 374.2172591667.

The spelling of 52404845 in words is "fifty-two million, four hundred four thousand, eight hundred forty-five".