53131532 has 12 divisors (see below), whose sum is σ = 93033696. Its totient is φ = 26550480.

The previous prime is 53131483. The next prime is 53131553. The reversal of 53131532 is 23513135.

It is a junction number, because it is equal to n+sod(n) for n = 53131498 and 53131507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8198 + ... + 13170.

It is an arithmetic number, because the mean of its divisors is an integer number (7752808).

Almost surely, 2^53131532 is an apocalyptic number.

It is an amenable number.

53131532 is a deficient number, since it is larger than the sum of its proper divisors (39902164).

53131532 is a wasteful number, since it uses less digits than its factorization.

53131532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7648 (or 7646 counting only the distinct ones).

The product of its digits is 1350, while the sum is 23.

The square root of 53131532 is about 7289.1379462869. The cubic root of 53131532 is about 375.9390556874.

Adding to 53131532 its reverse (23513135), we get a palindrome (76644667).

The spelling of 53131532 in words is "fifty-three million, one hundred thirty-one thousand, five hundred thirty-two".