551228554 has 8 divisors (see below), whose sum is σ = 828292608. Its totient is φ = 275131020.

The previous prime is 551228539. The next prime is 551228569. The reversal of 551228554 is 455822155.

It is an interprime number because it is at equal distance from previous prime (551228539) and next prime (551228569).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240202 + ... + 242485.

It is an arithmetic number, because the mean of its divisors is an integer number (103536576).

Almost surely, 2^551228554 is an apocalyptic number.

551228554 is a deficient number, since it is larger than the sum of its proper divisors (277064054).

551228554 is a wasteful number, since it uses less digits than its factorization.

551228554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483260.

The product of its digits is 80000, while the sum is 37.

The square root of 551228554 is about 23478.2570477453. The cubic root of 551228554 is about 819.9308656765.

The spelling of 551228554 in words is "five hundred fifty-one million, two hundred twenty-eight thousand, five hundred fifty-four".