53165559 has 16 divisors (see below), whose sum is σ = 73023840. Its totient is φ = 34381440.

The previous prime is 53165557. The next prime is 53165569. The reversal of 53165559 is 95556135.

It is not a de Polignac number, because 53165559 - 2¹ = 53165557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53165557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56029 + ... + 56969.

It is an arithmetic number, because the mean of its divisors is an integer number (4563990).

Almost surely, 2^53165559 is an apocalyptic number.

53165559 is a deficient number, since it is larger than the sum of its proper divisors (19858281).

53165559 is a wasteful number, since it uses less digits than its factorization.

53165559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490.

The product of its digits is 101250, while the sum is 39.

The square root of 53165559 is about 7291.4716621544. The cubic root of 53165559 is about 376.0192927139.

The spelling of 53165559 in words is "fifty-three million, one hundred sixty-five thousand, five hundred fifty-nine".