551545504 has 12 divisors (see below), whose sum is σ = 1085855274. Its totient is φ = 275772736.

The previous prime is 551545493. The next prime is 551545523. The reversal of 551545504 is 405545155.

551545504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 540655504 + 10890000 = 23252^2 + 3300^2 .

It is a super-2 number, since 2×551545504² = 608404885965228032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 551545504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8617867 + ... + 8617930.

Almost surely, 2^551545504 is an apocalyptic number.

It is an amenable number.

551545504 is a deficient number, since it is larger than the sum of its proper divisors (534309770).

551545504 is a wasteful number, since it uses less digits than its factorization.

551545504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17235807 (or 17235799 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 34.

The square root of 551545504 is about 23485.0059399609. The cubic root of 551545504 is about 820.0879857997.

It can be divided in two parts, 551545 and 504, that added together give a square (552049 = 743²).

The spelling of 551545504 in words is "five hundred fifty-one million, five hundred forty-five thousand, five hundred four".