551245404 has 24 divisors (see below), whose sum is σ = 1353936640. Its totient is φ = 174077424.

The previous prime is 551245403. The next prime is 551245433. The reversal of 551245404 is 404542155.

551245404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×551245404² = 607742990862246432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551245403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208644 + ... + 1209099.

Almost surely, 2^551245404 is an apocalyptic number.

It is an amenable number.

551245404 is an abundant number, since it is smaller than the sum of its proper divisors (802691236).

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

551245404 is a wasteful number, since it uses less digits than its factorization.

551245404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417769 (or 2417767 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 551245404 is about 23478.6158876540. The cubic root of 551245404 is about 819.9392201629.

Adding to 551245404 its reverse (404542155), we get a palindrome (955787559).

The spelling of 551245404 in words is "five hundred fifty-one million, two hundred forty-five thousand, four hundred four".