5562976644 has 72 divisors (see below), whose sum is σ = 14602832608. Its totient is φ = 1851776640.

The previous prime is 5562976631. The next prime is 5562976669. The reversal of 5562976644 is 4466792655.

5562976644 is a `hidden beast` number, since 5 + 5 + 629 + 7 + 6 + 6 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 784764 + ... + 791820.

Almost surely, 2^5562976644 is an apocalyptic number.

5562976644 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5562976644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7301416304).

5562976644 is an abundant number, since it is smaller than the sum of its proper divisors (9039855964).

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

5562976644 is a wasteful number, since it uses less digits than its factorization.

5562976644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7887 (or 7873 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The square root of 5562976644 is about 74585.3648110673. The cubic root of 5562976644 is about 1771.8858727476.

The spelling of 5562976644 in words is "five billion, five hundred sixty-two million, nine hundred seventy-six thousand, six hundred forty-four".