551033408 has 56 divisors (see below), whose sum is σ = 1135684800. Its totient is φ = 264954368.

The previous prime is 551033389. The next prime is 551033411. The reversal of 551033408 is 804330155.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 665891 + ... + 666717.

Almost surely, 2^551033408 is an apocalyptic number.

551033408 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551033408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567842400).

551033408 is an abundant number, since it is smaller than the sum of its proper divisors (584651392).

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

551033408 is a wasteful number, since it uses less digits than its factorization.

551033408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227 (or 1217 counting only the distinct ones).

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

The square root of 551033408 is about 23474.1007921496. The cubic root of 551033408 is about 819.8340969145.

The spelling of 551033408 in words is "five hundred fifty-one million, thirty-three thousand, four hundred eight".