53432666 has 32 divisors (see below), whose sum is σ = 97396992. Its totient is φ = 21461760.

The previous prime is 53432647. The next prime is 53432669. The reversal of 53432666 is 66623435.

It is not an unprimeable number, because it can be changed into a prime (53432669) 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, 109475 + ... + 109961.

It is an arithmetic number, because the mean of its divisors is an integer number (3043656).

Almost surely, 2^53432666 is an apocalyptic number.

53432666 is a deficient number, since it is larger than the sum of its proper divisors (43964326).

53432666 is a wasteful number, since it uses less digits than its factorization.

53432666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974.

The product of its digits is 77760, while the sum is 35.

The square root of 53432666 is about 7309.7651125053. The cubic root of 53432666 is about 376.6479556668.

The spelling of 53432666 in words is "fifty-three million, four hundred thirty-two thousand, six hundred sixty-six".