52990943 has 4 divisors (see below), whose sum is σ = 55779960. Its totient is φ = 50201928.

The previous prime is 52990939. The next prime is 52990967. The reversal of 52990943 is 34909925.

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 52990943 - 2² = 52990939 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 52990943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52990933) 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, 1394480 + ... + 1394517.

It is an arithmetic number, because the mean of its divisors is an integer number (13944990).

Almost surely, 2^52990943 is an apocalyptic number.

52990943 is a deficient number, since it is larger than the sum of its proper divisors (2789017).

52990943 is a wasteful number, since it uses less digits than its factorization.

52990943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789016.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 52990943 is about 7279.4878253899. The cubic root of 52990943 is about 375.6071775491.

The spelling of 52990943 in words is "fifty-two million, nine hundred ninety thousand, nine hundred forty-three".