551486448 has 40 divisors (see below), whose sum is σ = 1582971600. Its totient is φ = 183828672.

The previous prime is 551486437. The next prime is 551486461. The reversal of 551486448 is 844684155.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637863 + ... + 638726.

It is an arithmetic number, because the mean of its divisors is an integer number (39574290).

Almost surely, 2^551486448 is an apocalyptic number.

It is an amenable number.

551486448 is an abundant number, since it is smaller than the sum of its proper divisors (1031485152).

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

551486448 is a wasteful number, since it uses less digits than its factorization.

551486448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276606 (or 1276594 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 551486448 is about 23483.7485934422. The cubic root of 551486448 is about 820.0587148122.

The spelling of 551486448 in words is "five hundred fifty-one million, four hundred eighty-six thousand, four hundred forty-eight".