53698166 has 4 divisors (see below), whose sum is σ = 80547252. Its totient is φ = 26849082.

The previous prime is 53698163. The next prime is 53698181. The reversal of 53698166 is 66189635.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53698163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13424540 + ... + 13424543.

It is an arithmetic number, because the mean of its divisors is an integer number (20136813).

Almost surely, 2^53698166 is an apocalyptic number.

53698166 is a deficient number, since it is larger than the sum of its proper divisors (26849086).

53698166 is a wasteful number, since it uses less digits than its factorization.

53698166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26849085.

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

The square root of 53698166 is about 7327.9032471779. The cubic root of 53698166 is about 377.2707635628.

The spelling of 53698166 in words is "fifty-three million, six hundred ninety-eight thousand, one hundred sixty-six".