55632023 has 4 divisors (see below), whose sum is σ = 55647888. Its totient is φ = 55616160.

The previous prime is 55631993. The next prime is 55632077. The reversal of 55632023 is 32023655.

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

It is a cyclic number.

It is not a de Polignac number, because 55632023 - 2¹⁶ = 55566487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55631983 and 55632001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55632923) 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, 83 + ... + 10548.

It is an arithmetic number, because the mean of its divisors is an integer number (13911972).

Almost surely, 2^55632023 is an apocalyptic number.

55632023 is a deficient number, since it is larger than the sum of its proper divisors (15865).

55632023 is a wasteful number, since it uses less digits than its factorization.

55632023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15864.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 55632023 is about 7458.6877532177. The cubic root of 55632023 is about 381.7464006699.

Adding to 55632023 its reverse (32023655), we get a palindrome (87655678).

The spelling of 55632023 in words is "fifty-five million, six hundred thirty-two thousand, twenty-three".