52990047 has 24 divisors (see below), whose sum is σ = 86383440. Its totient is φ = 31006080.

The previous prime is 52990027. The next prime is 52990079. The reversal of 52990047 is 74009925.

52990047 is a `hidden beast` number, since 529 + 90 + 0 + 47 = 666.

It is not a de Polignac number, because 52990047 - 2⁸ = 52989791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52989993 and 52990020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52990027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6358 + ... + 12099.

It is an arithmetic number, because the mean of its divisors is an integer number (3599310).

Almost surely, 2^52990047 is an apocalyptic number.

52990047 is a deficient number, since it is larger than the sum of its proper divisors (33393393).

52990047 is a wasteful number, since it uses less digits than its factorization.

52990047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18503 (or 18500 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 52990047 is about 7279.4262823385. The cubic root of 52990047 is about 375.6050605462.

It can be divided in two parts, 52 and 990047, that added together give a palindrome (990099).

The spelling of 52990047 in words is "fifty-two million, nine hundred ninety thousand, forty-seven".