53165506 has 16 divisors (see below), whose sum is σ = 81073440. Its totient is φ = 26144640.

The previous prime is 53165503. The next prime is 53165509. The reversal of 53165506 is 60556135.

It is an interprime number because it is at equal distance from previous prime (53165503) and next prime (53165509).

It is not an unprimeable number, because it can be changed into a prime (53165503) 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, 33961 + ... + 35491.

It is an arithmetic number, because the mean of its divisors is an integer number (5067090).

Almost surely, 2^53165506 is an apocalyptic number.

53165506 is a deficient number, since it is larger than the sum of its proper divisors (27907934).

53165506 is a wasteful number, since it uses less digits than its factorization.

53165506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 53165506 is about 7291.4680277705. The cubic root of 53165506 is about 376.0191677644.

The spelling of 53165506 in words is "fifty-three million, one hundred sixty-five thousand, five hundred six".