53161995 has 8 divisors (see below), whose sum is σ = 85059216. Its totient is φ = 28353056.

The previous prime is 53161973. The next prime is 53162003. The reversal of 53161995 is 59916135.

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

It is a cyclic number.

It is not a de Polignac number, because 53161995 - 2⁹ = 53161483 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1772052 + ... + 1772081.

It is an arithmetic number, because the mean of its divisors is an integer number (10632402).

Almost surely, 2^53161995 is an apocalyptic number.

53161995 is a deficient number, since it is larger than the sum of its proper divisors (31897221).

53161995 is a wasteful number, since it uses less digits than its factorization.

53161995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544141.

The product of its digits is 36450, while the sum is 39.

The square root of 53161995 is about 7291.2272629510. The cubic root of 53161995 is about 376.0108902648.

It can be divided in two parts, 531 and 61995, that added together give a palindrome (62526).

The spelling of 53161995 in words is "fifty-three million, one hundred sixty-one thousand, nine hundred ninety-five".