52641663 has 16 divisors (see below), whose sum is σ = 72441600. Its totient is φ = 33981120.

The previous prime is 52641661. The next prime is 52641691. The reversal of 52641663 is 36614625.

It is not a de Polignac number, because 52641663 - 2¹ = 52641661 is a prime.

It is a super-2 number, since 2×52641663² = 5542289366811138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52641661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15558 + ... + 18636.

It is an arithmetic number, because the mean of its divisors is an integer number (4527600).

Almost surely, 2^52641663 is an apocalyptic number.

52641663 is a deficient number, since it is larger than the sum of its proper divisors (19799937).

52641663 is a wasteful number, since it uses less digits than its factorization.

52641663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262.

The product of its digits is 25920, while the sum is 33.

The square root of 52641663 is about 7255.4574631790. The cubic root of 52641663 is about 374.7801093090.

The spelling of 52641663 in words is "fifty-two million, six hundred forty-one thousand, six hundred sixty-three".