5557727644 has 12 divisors (see below), whose sum is σ = 11115455344. Its totient is φ = 2381883264.

The previous prime is 5557727621. The next prime is 5557727671. The reversal of 5557727644 is 4467277555.

5557727644 is an admirable number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5557727591 and 5557727600.

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, 99245109 + ... + 99245164.

Almost surely, 2^5557727644 is an apocalyptic number.

It is an amenable number.

5557727644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5557727644 is a wasteful number, since it uses less digits than its factorization.

5557727644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198490284 (or 198490282 counting only the distinct ones).

The product of its digits is 8232000, while the sum is 52.

The square root of 5557727644 is about 74550.1686383069. The cubic root of 5557727644 is about 1771.3284040692.

The spelling of 5557727644 in words is "five billion, five hundred fifty-seven million, seven hundred twenty-seven thousand, six hundred forty-four".