52991983 has 8 divisors (see below), whose sum is σ = 59040000. Its totient is φ = 47149080.

The previous prime is 52991951. The next prime is 52991987. The reversal of 52991983 is 38919925.

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

It is not a de Polignac number, because 52991983 - 2⁵ = 52991951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52991987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50733 + ... + 51766.

It is an arithmetic number, because the mean of its divisors is an integer number (7380000).

Almost surely, 2^52991983 is an apocalyptic number.

52991983 is a deficient number, since it is larger than the sum of its proper divisors (6048017).

52991983 is a wasteful number, since it uses less digits than its factorization.

52991983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102557.

The product of its digits is 174960, while the sum is 46.

The square root of 52991983 is about 7279.5592586365. The cubic root of 52991983 is about 375.6096347545.

The spelling of 52991983 in words is "fifty-two million, nine hundred ninety-one thousand, nine hundred eighty-three".