55608023 has 4 divisors (see below), whose sum is σ = 55763280. Its totient is φ = 55452768.

The previous prime is 55608019. The next prime is 55608029. The reversal of 55608023 is 32080655.

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 55608023 - 2² = 55608019 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 (55608029) 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, 77090 + ... + 77807.

It is an arithmetic number, because the mean of its divisors is an integer number (13940820).

Almost surely, 2^55608023 is an apocalyptic number.

55608023 is a deficient number, since it is larger than the sum of its proper divisors (155257).

55608023 is a wasteful number, since it uses less digits than its factorization.

55608023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155256.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 55608023 is about 7457.0787175676. The cubic root of 55608023 is about 381.6914968516.

Adding to 55608023 its reverse (32080655), we get a palindrome (87688678).

The spelling of 55608023 in words is "fifty-five million, six hundred eight thousand, twenty-three".