53161386 has 8 divisors (see below), whose sum is σ = 106322784. Its totient is φ = 17720460.

The previous prime is 53161369. The next prime is 53161399. The reversal of 53161386 is 68316135.

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

53161386 is an admirable number.

It is a super-2 number, since 2×53161386² = 5652265922881992, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4430110 + ... + 4430121.

It is an arithmetic number, because the mean of its divisors is an integer number (13290348).

Almost surely, 2^53161386 is an apocalyptic number.

53161386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53161386 is a wasteful number, since it uses less digits than its factorization.

53161386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8860236.

The product of its digits is 12960, while the sum is 33.

The square root of 53161386 is about 7291.1855003147. The cubic root of 53161386 is about 376.0094544552.

The spelling of 53161386 in words is "fifty-three million, one hundred sixty-one thousand, three hundred eighty-six".