55604023 has 8 divisors (see below), whose sum is σ = 56430000. Its totient is φ = 54784128.

The previous prime is 55604011. The next prime is 55604033. The reversal of 55604023 is 32040655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55604023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55604033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18853 + ... + 21601.

It is an arithmetic number, because the mean of its divisors is an integer number (7053750).

Almost surely, 2^55604023 is an apocalyptic number.

55604023 is a deficient number, since it is larger than the sum of its proper divisors (825977).

55604023 is a wasteful number, since it uses less digits than its factorization.

55604023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 55604023 is about 7456.8105112038. The cubic root of 55604023 is about 381.6823446795.

Adding to 55604023 its reverse (32040655), we get a palindrome (87644678).

The spelling of 55604023 in words is "fifty-five million, six hundred four thousand, twenty-three".