551036346 has 64 divisors (see below), whose sum is σ = 1356742656. Its totient is φ = 145728000.

The previous prime is 551036329. The next prime is 551036359. The reversal of 551036346 is 643630155.

It is a super-2 number, since 2×551036346² = 607282109226063432, which contains 22 as substring.

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 20746 + ... + 39146.

It is an arithmetic number, because the mean of its divisors is an integer number (21199104).

Almost surely, 2^551036346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551036346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678371328).

551036346 is an abundant number, since it is smaller than the sum of its proper divisors (805706310).

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

551036346 is a wasteful number, since it uses less digits than its factorization.

551036346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18467.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 551036346 is about 23474.1633716731. The cubic root of 551036346 is about 819.8355539758.

The spelling of 551036346 in words is "five hundred fifty-one million, thirty-six thousand, three hundred forty-six".