551241623 has 8 divisors (see below), whose sum is σ = 581905200. Its totient is φ = 520743168.

The previous prime is 551241619. The next prime is 551241641. The reversal of 551241623 is 326142155.

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

It is a cyclic number.

It is not a de Polignac number, because 551241623 - 2² = 551241619 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 (551247623) 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, 34388 + ... + 47801.

It is an arithmetic number, because the mean of its divisors is an integer number (72738150).

Almost surely, 2^551241623 is an apocalyptic number.

551241623 is a deficient number, since it is larger than the sum of its proper divisors (30663577).

551241623 is a wasteful number, since it uses less digits than its factorization.

551241623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82561.

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

The square root of 551241623 is about 23478.5353674372. The cubic root of 551241623 is about 819.9373455003.

Adding to 551241623 its reverse (326142155), we get a palindrome (877383778).

The spelling of 551241623 in words is "five hundred fifty-one million, two hundred forty-one thousand, six hundred twenty-three".