52666698 has 16 divisors (see below), whose sum is σ = 120381120. Its totient is φ = 15047616.

The previous prime is 52666687. The next prime is 52666699. The reversal of 52666698 is 89666625.

It is not an unprimeable number, because it can be changed into a prime (52666699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626943 + ... + 627026.

It is an arithmetic number, because the mean of its divisors is an integer number (7523820).

Almost surely, 2^52666698 is an apocalyptic number.

52666698 is an abundant number, since it is smaller than the sum of its proper divisors (67714422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52666698 is a wasteful number, since it uses less digits than its factorization.

52666698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253981.

The product of its digits is 933120, while the sum is 48.

The square root of 52666698 is about 7257.1825111403. The cubic root of 52666698 is about 374.8395117703.

The spelling of 52666698 in words is "fifty-two million, six hundred sixty-six thousand, six hundred ninety-eight".