55632113 has 4 divisors (see below), whose sum is σ = 56183028. Its totient is φ = 55081200.

The previous prime is 55632107. The next prime is 55632131. The reversal of 55632113 is 31123655.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24137569 + 31494544 = 4913^2 + 5612^2 .

It is a cyclic number.

It is not a de Polignac number, because 55632113 - 2¹² = 55628017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55634113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275306 + ... + 275507.

It is an arithmetic number, because the mean of its divisors is an integer number (14045757).

Almost surely, 2^55632113 is an apocalyptic number.

It is an amenable number.

55632113 is a deficient number, since it is larger than the sum of its proper divisors (550915).

55632113 is a wasteful number, since it uses less digits than its factorization.

55632113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550914.

The product of its digits is 2700, while the sum is 26.

The square root of 55632113 is about 7458.6937864481. The cubic root of 55632113 is about 381.7466065295.

Adding to 55632113 its reverse (31123655), we get a palindrome (86755768).

The spelling of 55632113 in words is "fifty-five million, six hundred thirty-two thousand, one hundred thirteen".