55125632 has 32 divisors (see below), whose sum is σ = 110297700. Its totient is φ = 27443200.

The previous prime is 55125619. The next prime is 55125659. The reversal of 55125632 is 23652155.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 54523456 + 602176 = 7384^2 + 776^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 55125595 and 55125604.

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, 33632 + ... + 35232.

Almost surely, 2^55125632 is an apocalyptic number.

It is an amenable number.

55125632 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

55125632 is a wasteful number, since it uses less digits than its factorization.

55125632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884 (or 1872 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 55125632 is about 7424.6637634306. The cubic root of 55125632 is about 380.5845849886.

Adding to 55125632 its reverse (23652155), we get a palindrome (78777787).

The spelling of 55125632 in words is "fifty-five million, one hundred twenty-five thousand, six hundred thirty-two".