52213653 has 48 divisors (see below), whose sum is σ = 84564480. Its totient is φ = 32087664.

The previous prime is 52213633. The next prime is 52213661. The reversal of 52213653 is 35631225.

52213653 is a `hidden beast` number, since 5 + 2 + 2 + 1 + 3 + 653 = 666.

It is not a de Polignac number, because 52213653 - 2⁸ = 52213397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52213633) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 198400 + ... + 198662.

It is an arithmetic number, because the mean of its divisors is an integer number (1761760).

Almost surely, 2^52213653 is an apocalyptic number.

It is an amenable number.

52213653 is a deficient number, since it is larger than the sum of its proper divisors (32350827).

52213653 is a wasteful number, since it uses less digits than its factorization.

52213653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 328 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 52213653 is about 7225.9015354487. The cubic root of 52213653 is about 373.7616108815.

Adding to 52213653 its reverse (35631225), we get a palindrome (87844878).

The spelling of 52213653 in words is "fifty-two million, two hundred thirteen thousand, six hundred fifty-three".