52010661 has 8 divisors (see below), whose sum is σ = 69509440. Its totient is φ = 34592832.

The previous prime is 52010639. The next prime is 52010663. The reversal of 52010661 is 16601025.

It is a happy number.

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

It is not a de Polignac number, because 52010661 - 2⁶ = 52010597 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 (52010663) 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, 18721 + ... + 21318.

It is an arithmetic number, because the mean of its divisors is an integer number (8688680).

Almost surely, 2^52010661 is an apocalyptic number.

It is an amenable number.

52010661 is a deficient number, since it is larger than the sum of its proper divisors (17498779).

52010661 is a wasteful number, since it uses less digits than its factorization.

52010661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40475.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 52010661 is about 7211.8417203929. The cubic root of 52010661 is about 373.2766218243.

Adding to 52010661 its reverse (16601025), we get a palindrome (68611686).

The spelling of 52010661 in words is "fifty-two million, ten thousand, six hundred sixty-one".