554544945 has 12 divisors (see below), whose sum is σ = 961211316. Its totient is φ = 295757280.

The previous prime is 554544943. The next prime is 554544959. The reversal of 554544945 is 549445455.

554544945 is a `hidden beast` number, since 554 + 5 + 4 + 4 + 94 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 277122609 + 277422336 = 16647^2 + 16656^2 .

It is not a de Polignac number, because 554544945 - 2¹ = 554544943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 12323221 = 554544945 / (5 + 5 + 4 + 5 + 4 + 4 + 9 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 554544945.

It is not an unprimeable number, because it can be changed into a prime (554544943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6161566 + ... + 6161655.

It is an arithmetic number, because the mean of its divisors is an integer number (80100943).

Almost surely, 2^554544945 is an apocalyptic number.

It is an amenable number.

554544945 is a deficient number, since it is larger than the sum of its proper divisors (406666371).

554544945 is a wasteful number, since it uses less digits than its factorization.

554544945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12323232 (or 12323229 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 45.

The square root of 554544945 is about 23548.7779937728. Note that the first 3 decimals coincide. The cubic root of 554544945 is about 821.5719128877.

The spelling of 554544945 in words is "five hundred fifty-four million, five hundred forty-four thousand, nine hundred forty-five".