52645994 has 8 divisors (see below), whose sum is σ = 80050980. Its totient is φ = 25962336.

The previous prime is 52645963. The next prime is 52646023. The reversal of 52645994 is 49954625.

It can be written as a sum of positive squares in 2 ways, for example, as 51768025 + 877969 = 7195^2 + 937^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180149 + ... + 180440.

Almost surely, 2^52645994 is an apocalyptic number.

52645994 is a deficient number, since it is larger than the sum of its proper divisors (27404986).

52645994 is a wasteful number, since it uses less digits than its factorization.

52645994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360664.

The product of its digits is 388800, while the sum is 44.

The square root of 52645994 is about 7255.7559220249. The cubic root of 52645994 is about 374.7903871513.

The spelling of 52645994 in words is "fifty-two million, six hundred forty-five thousand, nine hundred ninety-four".