53017530 has 32 divisors (see below), whose sum is σ = 132776064. Its totient is φ = 13523136.

The previous prime is 53017529. The next prime is 53017561. The reversal of 53017530 is 3571035.

It is a self number, because there is not a number n which added to its sum of digits gives 53017530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37729 + ... + 39108.

It is an arithmetic number, because the mean of its divisors is an integer number (4149252).

Almost surely, 2^53017530 is an apocalyptic number.

53017530 is an abundant number, since it is smaller than the sum of its proper divisors (79758534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53017530 is a wasteful number, since it uses less digits than its factorization.

53017530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76870.

The product of its (nonzero) digits is 1575, while the sum is 24.

The square root of 53017530 is about 7281.3137550857. The cubic root of 53017530 is about 375.6699844981.

Adding to 53017530 its reverse (3571035), we get a palindrome (56588565).

The spelling of 53017530 in words is "fifty-three million, seventeen thousand, five hundred thirty".