554919555956 has 24 divisors (see below), whose sum is σ = 994958820744. Its totient is φ = 270647838720.

The previous prime is 554919555851. The next prime is 554919556013. The reversal of 554919555956 is 659555919455.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2995372900 + 551924183056 = 54730^2 + 742916^2 .

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, 729956 + ... + 1281668.

It is an arithmetic number, because the mean of its divisors is an integer number (41456617531).

Almost surely, 2^554919555956 is an apocalyptic number.

It is an amenable number.

554919555956 is a deficient number, since it is larger than the sum of its proper divisors (440039264788).

554919555956 is a wasteful number, since it uses less digits than its factorization.

554919555956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557891 (or 557889 counting only the distinct ones).

The product of its digits is 273375000, while the sum is 68.

The spelling of 554919555956 in words is "five hundred fifty-four billion, nine hundred nineteen million, five hundred fifty-five thousand, nine hundred fifty-six".