52042663 has 4 divisors (see below), whose sum is σ = 52072240. Its totient is φ = 52013088.

The previous prime is 52042657. The next prime is 52042693. The reversal of 52042663 is 36624025.

It is a happy number.

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 52042663 - 2⁵ = 52042631 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 (52042633) 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, 11970 + ... + 15727.

It is an arithmetic number, because the mean of its divisors is an integer number (13018060).

Almost surely, 2^52042663 is an apocalyptic number.

52042663 is a deficient number, since it is larger than the sum of its proper divisors (29577).

52042663 is a wasteful number, since it uses less digits than its factorization.

52042663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29576.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 52042663 is about 7214.0600912385. The cubic root of 52042663 is about 373.3531647806.

Adding to 52042663 its reverse (36624025), we get a palindrome (88666688).

The spelling of 52042663 in words is "fifty-two million, forty-two thousand, six hundred sixty-three".