554990099456 has 44 divisors (see below), whose sum is σ = 1194779646312. Its totient is φ = 256149270528.

The previous prime is 554990099407. The next prime is 554990099467. The reversal of 554990099456 is 654990099455.

It is a junction number, because it is equal to n+sod(n) for n = 554990099392 and 554990099401.

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, 20832170 + ... + 20858793.

Almost surely, 2^554990099456 is an apocalyptic number.

It is an amenable number.

554990099456 is an abundant number, since it is smaller than the sum of its proper divisors (639789546856).

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

554990099456 is a wasteful number, since it uses less digits than its factorization.

554990099456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41690996 (or 41690978 counting only the distinct ones).

The product of its (nonzero) digits is 78732000, while the sum is 65.

Subtracting 554990099456 from its reverse (654990099455), we obtain a palindrome (99999999999).

The spelling of 554990099456 in words is "five hundred fifty-four billion, nine hundred ninety million, ninety-nine thousand, four hundred fifty-six".