551484155 has 8 divisors (see below), whose sum is σ = 684601200. Its totient is φ = 425973856.

The previous prime is 551484127. The next prime is 551484161.

551484155 is nontrivially palindromic in base 10.

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 551484155 - 2⁸ = 551483899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901525 + ... + 1901814.

It is an arithmetic number, because the mean of its divisors is an integer number (85575150).

Almost surely, 2^551484155 is an apocalyptic number.

551484155 is a deficient number, since it is larger than the sum of its proper divisors (133117045).

551484155 is a wasteful number, since it uses less digits than its factorization.

551484155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3803373.

The product of its digits is 80000, while the sum is 38.

The square root of 551484155 is about 23483.6997723953. The cubic root of 551484155 is about 820.0575782492.

Subtracting from 551484155 its product of digits (80000), we obtain a palindrome (551404155).

The spelling of 551484155 in words is "five hundred fifty-one million, four hundred eighty-four thousand, one hundred fifty-five".