53171746 has 8 divisors (see below), whose sum is σ = 79799580. Its totient is φ = 26571888.

The previous prime is 53171737. The next prime is 53171749. The reversal of 53171746 is 64717135.

It can be written as a sum of positive squares in 2 ways, for example, as 33767721 + 19404025 = 5811^2 + 4405^2 .

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

It is not an unprimeable number, because it can be changed into a prime (53171749) 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, 1321 + ... + 10396.

Almost surely, 2^53171746 is an apocalyptic number.

53171746 is a deficient number, since it is larger than the sum of its proper divisors (26627834).

53171746 is a wasteful number, since it uses less digits than its factorization.

53171746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13988.

The product of its digits is 17640, while the sum is 34.

The square root of 53171746 is about 7291.8959125868. The cubic root of 53171746 is about 376.0338782285.

The spelling of 53171746 in words is "fifty-three million, one hundred seventy-one thousand, seven hundred forty-six".