55712032 has 24 divisors (see below), whose sum is σ = 111485052. Its totient is φ = 27398400.

The previous prime is 55712029. The next prime is 55712057. The reversal of 55712032 is 23021755.

It can be written as a sum of positive squares in 2 ways, for example, as 45751696 + 9960336 = 6764^2 + 3156^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55711988 and 55712006.

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, 12319 + ... + 16222.

Almost surely, 2^55712032 is an apocalyptic number.

It is an amenable number.

55712032 is an abundant number, since it is smaller than the sum of its proper divisors (55773020).

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

55712032 is a wasteful number, since it uses less digits than its factorization.

55712032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28612 (or 28604 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 55712032 is about 7464.0493031598. The cubic root of 55712032 is about 381.9293200006.

Adding to 55712032 its reverse (23021755), we get a palindrome (78733787).

The spelling of 55712032 in words is "fifty-five million, seven hundred twelve thousand, thirty-two".