5557149780 has 144 divisors (see below), whose sum is σ = 19492905600. Its totient is φ = 1172489472.

The previous prime is 5557149757. The next prime is 5557149791. The reversal of 5557149780 is 879417555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34480 + ... + 110919.

It is an arithmetic number, because the mean of its divisors is an integer number (135367400).

Almost surely, 2^5557149780 is an apocalyptic number.

It is an amenable number.

5557149780 is an abundant number, since it is smaller than the sum of its proper divisors (13935755820).

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

5557149780 is a wasteful number, since it uses less digits than its factorization.

5557149780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145438 (or 145429 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 51.

The square root of 5557149780 is about 74546.2928655745. The cubic root of 5557149780 is about 1771.2670107288.

The spelling of 5557149780 in words is "five billion, five hundred fifty-seven million, one hundred forty-nine thousand, seven hundred eighty".