52466661 has 24 divisors (see below), whose sum is σ = 83164536. Its totient is φ = 31674240.

The previous prime is 52466653. The next prime is 52466669. The reversal of 52466661 is 16666425.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52466653) and next prime (52466669).

It can be written as a sum of positive squares in 4 ways, for example, as 11902500 + 40564161 = 3450^2 + 6369^2 .

It is not a de Polignac number, because 52466661 - 2³ = 52466653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52466669) 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, 1971 + ... + 10431.

It is an arithmetic number, because the mean of its divisors is an integer number (3465189).

Almost surely, 2^52466661 is an apocalyptic number.

It is an amenable number.

52466661 is a deficient number, since it is larger than the sum of its proper divisors (30697875).

52466661 is a wasteful number, since it uses less digits than its factorization.

52466661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8533 (or 8530 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 52466661 is about 7243.3873981722. The cubic root of 52466661 is about 374.3643417785.

The spelling of 52466661 in words is "fifty-two million, four hundred sixty-six thousand, six hundred sixty-one".