53646168 has 16 divisors (see below), whose sum is σ = 134115480. Its totient is φ = 17882048.

The previous prime is 53646161. The next prime is 53646191. The reversal of 53646168 is 86164635.

It is a super-2 number, since 2×53646168² = 5755822682168448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53646161) 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, 1117605 + ... + 1117652.

Almost surely, 2^53646168 is an apocalyptic number.

It is an amenable number.

53646168 is an abundant number, since it is smaller than the sum of its proper divisors (80469312).

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

53646168 is a wasteful number, since it uses less digits than its factorization.

53646168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235266 (or 2235262 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 53646168 is about 7324.3544425430. The cubic root of 53646168 is about 377.1489489702.

The spelling of 53646168 in words is "fifty-three million, six hundred forty-six thousand, one hundred sixty-eight".