53018532 has 36 divisors (see below), whose sum is σ = 153165376. Its totient is φ = 15148080.

The previous prime is 53018509. The next prime is 53018533. The reversal of 53018532 is 23581035.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 53018496 and 53018505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53018533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104944 + ... + 105447.

Almost surely, 2^53018532 is an apocalyptic number.

It is an amenable number.

53018532 is an abundant number, since it is smaller than the sum of its proper divisors (100146844).

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

53018532 is a wasteful number, since it uses less digits than its factorization.

53018532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210408 (or 210403 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 53018532 is about 7281.3825610251. The cubic root of 53018532 is about 375.6723511301.

Adding to 53018532 its reverse (23581035), we get a palindrome (76599567).

The spelling of 53018532 in words is "fifty-three million, eighteen thousand, five hundred thirty-two".