53506032 has 20 divisors (see below), whose sum is σ = 138224040. Its totient is φ = 17835328.

The previous prime is 53506009. The next prime is 53506043. The reversal of 53506032 is 23060535.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 53505993 and 53506011.

It is a congruent number.

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, 557307 + ... + 557402.

It is an arithmetic number, because the mean of its divisors is an integer number (6911202).

Almost surely, 2^53506032 is an apocalyptic number.

It is an amenable number.

53506032 is an abundant number, since it is smaller than the sum of its proper divisors (84718008).

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

53506032 is a wasteful number, since it uses less digits than its factorization.

53506032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114720 (or 1114714 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 53506032 is about 7314.7817465732. The cubic root of 53506032 is about 376.8202629733.

Adding to 53506032 its reverse (23060535), we get a palindrome (76566567).

The spelling of 53506032 in words is "fifty-three million, five hundred six thousand, thirty-two".