5561463488 has 224 divisors, whose sum is σ = 13639434240. Its totient is φ = 2199674880.

The previous prime is 5561463461. The next prime is 5561463493. The reversal of 5561463488 is 8843641655.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×5561463488² = 61859752256714252288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40594556 + ... + 40594692.

Almost surely, 2^5561463488 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 5561463488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6819717120).

5561463488 is an abundant number, since it is smaller than the sum of its proper divisors (8077970752).

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

5561463488 is a wasteful number, since it uses less digits than its factorization.

5561463488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 293 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 50.

The square root of 5561463488 is about 74575.2203349075. The cubic root of 5561463488 is about 1771.7252043955.

The spelling of 5561463488 in words is "five billion, five hundred sixty-one million, four hundred sixty-three thousand, four hundred eighty-eight".