55023000 has 64 divisors (see below), whose sum is σ = 171681120. Its totient is φ = 14672000.

The previous prime is 55022983. The next prime is 55023029. The reversal of 55023000 is 32055.

55023000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6171 + ... + 12170.

Almost surely, 2^55023000 is an apocalyptic number.

55023000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55023000 is an abundant number, since it is smaller than the sum of its proper divisors (116658120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55023000 is a wasteful number, since it uses less digits than its factorization.

55023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18365 (or 18351 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 55023000 is about 7417.7489846988. The cubic root of 55023000 is about 380.3482495409.

Adding to 55023000 its reverse (32055), we get a palindrome (55055055).

The spelling of 55023000 in words is "fifty-five million, twenty-three thousand".