5557421784 has 32 divisors (see below), whose sum is σ = 13896454320. Its totient is φ = 1852087296.

The previous prime is 5557421773. The next prime is 5557421791. The reversal of 5557421784 is 4871247555.

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, 107964 + ... + 150900.

Almost surely, 2^5557421784 is an apocalyptic number.

It is an amenable number.

5557421784 is an abundant number, since it is smaller than the sum of its proper divisors (8339032536).

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

5557421784 is a wasteful number, since it uses less digits than its factorization.

5557421784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48339 (or 48335 counting only the distinct ones).

The product of its digits is 1568000, while the sum is 48.

The square root of 5557421784 is about 74548.1172398069. The cubic root of 5557421784 is about 1771.2959094671.

The spelling of 5557421784 in words is "five billion, five hundred fifty-seven million, four hundred twenty-one thousand, seven hundred eighty-four".