551033406 has 96 divisors (see below), whose sum is σ = 1493856000. Its totient is φ = 142611840.

The previous prime is 551033389. The next prime is 551033411. The reversal of 551033406 is 604330155.

It is a self number, because there is not a number n which added to its sum of digits gives 551033406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 524770 + ... + 525818.

It is an arithmetic number, because the mean of its divisors is an integer number (15561000).

Almost surely, 2^551033406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551033406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (746928000).

551033406 is an abundant number, since it is smaller than the sum of its proper divisors (942822594).

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

551033406 is a wasteful number, since it uses less digits than its factorization.

551033406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1451 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 551033406 is about 23474.1007495495. The cubic root of 551033406 is about 819.8340959226.

The spelling of 551033406 in words is "five hundred fifty-one million, thirty-three thousand, four hundred six".