53166384 has 30 divisors (see below), whose sum is σ = 148792436. Its totient is φ = 17722080.

The previous prime is 53166349. The next prime is 53166403. The reversal of 53166384 is 48366135.

53166384 is a `hidden beast` number, since 5 + 3 + 16 + 638 + 4 = 666.

It is a super-3 number, since 3×53166384³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184462 + ... + 184749.

Almost surely, 2^53166384 is an apocalyptic number.

It is an amenable number.

53166384 is an abundant number, since it is smaller than the sum of its proper divisors (95626052).

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

53166384 is a wasteful number, since it uses less digits than its factorization.

53166384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369225 (or 369216 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 53166384 is about 7291.5282348764. The cubic root of 53166384 is about 376.0212376717.

The spelling of 53166384 in words is "fifty-three million, one hundred sixty-six thousand, three hundred eighty-four".