554861579490 has 32 divisors (see below), whose sum is σ = 1479630879360. Its totient is φ = 147963087792.

The previous prime is 554861579471. The next prime is 554861579501. The reversal of 554861579490 is 94975168455.

554861579490 is a `hidden beast` number, since 5 + 5 + 4 + 8 + 615 + 7 + 9 + 4 + 9 + 0 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027521174 + ... + 1027521713.

It is an arithmetic number, because the mean of its divisors is an integer number (46238464980).

Almost surely, 2^554861579490 is an apocalyptic number.

554861579490 is an abundant number, since it is smaller than the sum of its proper divisors (924769299870).

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

554861579490 is a wasteful number, since it uses less digits than its factorization.

554861579490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055042903 (or 2055042897 counting only the distinct ones).

The product of its (nonzero) digits is 54432000, while the sum is 63.

The spelling of 554861579490 in words is "five hundred fifty-four billion, eight hundred sixty-one million, five hundred seventy-nine thousand, four hundred ninety".