551044470 has 32 divisors (see below), whose sum is σ = 1338446592. Its totient is φ = 145174112.

The previous prime is 551044453. The next prime is 551044471. The reversal of 551044470 is 74440155.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551044471) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 108162 + ... + 113141.

It is an arithmetic number, because the mean of its divisors is an integer number (41826456).

Almost surely, 2^551044470 is an apocalyptic number.

551044470 is an abundant number, since it is smaller than the sum of its proper divisors (787402122).

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

551044470 is a wasteful number, since it uses less digits than its factorization.

551044470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221396.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 551044470 is about 23474.3364123461. The cubic root of 551044470 is about 819.8395829364.

The spelling of 551044470 in words is "five hundred fifty-one million, forty-four thousand, four hundred seventy".