551016604 has 6 divisors (see below), whose sum is σ = 964279064. Its totient is φ = 275508300.

The previous prime is 551016601. The next prime is 551016619. The reversal of 551016604 is 406610155.

551016604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551016601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68877072 + ... + 68877079.

Almost surely, 2^551016604 is an apocalyptic number.

It is an amenable number.

551016604 is a deficient number, since it is larger than the sum of its proper divisors (413262460).

551016604 is a wasteful number, since it uses less digits than its factorization.

551016604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137754155 (or 137754153 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 551016604 is about 23473.7428630374. The cubic root of 551016604 is about 819.8257630990.

Adding to 551016604 its reverse (406610155), we get a palindrome (957626759).

The spelling of 551016604 in words is "five hundred fifty-one million, sixteen thousand, six hundred four".