53161382 has 4 divisors (see below), whose sum is σ = 79742076. Its totient is φ = 26580690.

The previous prime is 53161369. The next prime is 53161399. The reversal of 53161382 is 28316135.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×53161382³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13290344 + ... + 13290347.

It is an arithmetic number, because the mean of its divisors is an integer number (19935519).

Almost surely, 2^53161382 is an apocalyptic number.

53161382 is a deficient number, since it is larger than the sum of its proper divisors (26580694).

53161382 is a wasteful number, since it uses less digits than its factorization.

53161382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26580693.

The product of its digits is 4320, while the sum is 29.

The square root of 53161382 is about 7291.1852260109. The cubic root of 53161382 is about 376.0094450245.

The spelling of 53161382 in words is "fifty-three million, one hundred sixty-one thousand, three hundred eighty-two".