5551464448 has 56 divisors (see below), whose sum is σ = 11143061280. Its totient is φ = 2765537280.

The previous prime is 5551464433. The next prime is 5551464449. The reversal of 5551464448 is 8444641555.

It is a junction number, because it is equal to n+sod(n) for n = 5551464398 and 5551464407.

It is not an unprimeable number, because it can be changed into a prime (5551464449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2546623 + ... + 2548801.

Almost surely, 2^5551464448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5551464448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5571530640).

5551464448 is an abundant number, since it is smaller than the sum of its proper divisors (5591596832).

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

5551464448 is an equidigital number, since it uses as much as digits as its factorization.

5551464448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516 (or 2492 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 46.

The square root of 5551464448 is about 74508.1502119063. The cubic root of 5551464448 is about 1770.6627634952.

The spelling of 5551464448 in words is "five billion, five hundred fifty-one million, four hundred sixty-four thousand, four hundred forty-eight".