53166698 has 8 divisors (see below), whose sum is σ = 85884708. Its totient is φ = 24538464.

The previous prime is 53166697. The next prime is 53166713. The reversal of 53166698 is 89666135.

It can be written as a sum of positive squares in 2 ways, for example, as 53042089 + 124609 = 7283^2 + 353^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53166691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022411 + ... + 1022462.

Almost surely, 2^53166698 is an apocalyptic number.

53166698 is a deficient number, since it is larger than the sum of its proper divisors (32718010).

53166698 is a wasteful number, since it uses less digits than its factorization.

53166698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044888.

The product of its digits is 233280, while the sum is 44.

The square root of 53166698 is about 7291.5497666820. The cubic root of 53166698 is about 376.0219779291.

The spelling of 53166698 in words is "fifty-three million, one hundred sixty-six thousand, six hundred ninety-eight".