551244464 has 20 divisors (see below), whose sum is σ = 1078408656. Its totient is φ = 272945472.

The previous prime is 551244461. The next prime is 551244481. The reversal of 551244464 is 464442155.

It is not an unprimeable number, because it can be changed into a prime (551244461) 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 3 ways as a sum of consecutive naturals, for example, 165599 + ... + 168894.

Almost surely, 2^551244464 is an apocalyptic number.

It is an amenable number.

551244464 is a deficient number, since it is larger than the sum of its proper divisors (527164192).

551244464 is a wasteful number, since it uses less digits than its factorization.

551244464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334604 (or 334598 counting only the distinct ones).

The product of its digits is 76800, while the sum is 35.

The square root of 551244464 is about 23478.5958694297. The cubic root of 551244464 is about 819.9387541010.

The spelling of 551244464 in words is "five hundred fifty-one million, two hundred forty-four thousand, four hundred sixty-four".