53165481 has 8 divisors (see below), whose sum is σ = 71140704. Its totient is φ = 35316960.

The previous prime is 53165473. The next prime is 53165503. The reversal of 53165481 is 18456135.

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

It is not a de Polignac number, because 53165481 - 2³ = 53165473 is a prime.

It is a super-2 number, since 2×53165481² = 5653136739922722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53165461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30691 + ... + 32376.

It is an arithmetic number, because the mean of its divisors is an integer number (8892588).

Almost surely, 2^53165481 is an apocalyptic number.

It is an amenable number.

53165481 is a deficient number, since it is larger than the sum of its proper divisors (17975223).

53165481 is a wasteful number, since it uses less digits than its factorization.

53165481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63351.

The product of its digits is 14400, while the sum is 33.

The square root of 53165481 is about 7291.4663134379. The cubic root of 53165481 is about 376.0191088259.

The spelling of 53165481 in words is "fifty-three million, one hundred sixty-five thousand, four hundred eighty-one".