551315004 has 12 divisors (see below), whose sum is σ = 1286401704. Its totient is φ = 183771664.

The previous prime is 551314999. The next prime is 551315081. The reversal of 551315004 is 400513155.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22971447 + ... + 22971470.

It is an arithmetic number, because the mean of its divisors is an integer number (107200142).

Almost surely, 2^551315004 is an apocalyptic number.

It is an amenable number.

551315004 is an abundant number, since it is smaller than the sum of its proper divisors (735086700).

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

551315004 is a wasteful number, since it uses less digits than its factorization.

551315004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45942924 (or 45942922 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 551315004 is about 23480.0980406812. The cubic root of 551315004 is about 819.9737270979.

Adding to 551315004 its reverse (400513155), we get a palindrome (951828159).

The spelling of 551315004 in words is "five hundred fifty-one million, three hundred fifteen thousand, four".