551028023 has 32 divisors (see below), whose sum is σ = 690923520. Its totient is φ = 427881600.

The previous prime is 551028001. The next prime is 551028029. The reversal of 551028023 is 320820155.

It is a cyclic number.

It is not a de Polignac number, because 551028023 - 2⁶ = 551027959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551027983 and 551028001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551028029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1534718 + ... + 1535076.

It is an arithmetic number, because the mean of its divisors is an integer number (21591360).

Almost surely, 2^551028023 is an apocalyptic number.

551028023 is a deficient number, since it is larger than the sum of its proper divisors (139895497).

551028023 is a wasteful number, since it uses less digits than its factorization.

551028023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 551028023 is about 23473.9860909902. The cubic root of 551028023 is about 819.8314262833.

Adding to 551028023 its reverse (320820155), we get a palindrome (871848178).

It can be divided in two parts, 5510 and 28023, that added together give a palindrome (33533).

The spelling of 551028023 in words is "five hundred fifty-one million, twenty-eight thousand, twenty-three".