53017630 has 16 divisors (see below), whose sum is σ = 96130800. Its totient is φ = 21051712.

The previous prime is 53017621. The next prime is 53017639. The reversal of 53017630 is 3671035.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53017621) and next prime (53017639).

It is a junction number, because it is equal to n+sod(n) for n = 53017595 and 53017604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53017639) 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, 17980 + ... + 20719.

It is an arithmetic number, because the mean of its divisors is an integer number (6008175).

Almost surely, 2^53017630 is an apocalyptic number.

53017630 is a deficient number, since it is larger than the sum of its proper divisors (43113170).

53017630 is a wasteful number, since it uses less digits than its factorization.

53017630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38843.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 53017630 is about 7281.3206219751. The cubic root of 53017630 is about 375.6702206902.

Adding to 53017630 its reverse (3671035), we get a palindrome (56688665).

The spelling of 53017630 in words is "fifty-three million, seventeen thousand, six hundred thirty".