52453666 has 8 divisors (see below), whose sum is σ = 78739920. Its totient is φ = 26207028.

The previous prime is 52453657. The next prime is 52453691. The reversal of 52453666 is 66635425.

52453666 is nontrivially palindromic in base 9.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6336 + ... + 12043.

It is an arithmetic number, because the mean of its divisors is an integer number (9842490).

Almost surely, 2^52453666 is an apocalyptic number.

52453666 is a deficient number, since it is larger than the sum of its proper divisors (26286254).

52453666 is a wasteful number, since it uses less digits than its factorization.

52453666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19808.

The product of its digits is 129600, while the sum is 37.

The square root of 52453666 is about 7242.4903175634. The cubic root of 52453666 is about 374.3334315698. Note that the first 3 decimals are identical.

It can be divided in two parts, 5245 and 3666, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 52453666 in words is "fifty-two million, four hundred fifty-three thousand, six hundred sixty-six".