5645982554 has 8 divisors (see below), whose sum is σ = 8471465460. Its totient is φ = 2822160736.

The previous prime is 5645982553. The next prime is 5645982607. The reversal of 5645982554 is 4552895465.

It can be written as a sum of positive squares in 2 ways, for example, as 4833447529 + 812535025 = 69523^2 + 28505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 5645982496 and 5645982505.

It is not an unprimeable number, because it can be changed into a prime (5645982553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406739 + ... + 420390.

Almost surely, 2^5645982554 is an apocalyptic number.

5645982554 is a deficient number, since it is larger than the sum of its proper divisors (2825482906).

5645982554 is a wasteful number, since it uses less digits than its factorization.

5645982554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830544.

The product of its digits is 8640000, while the sum is 53.

The square root of 5645982554 is about 75139.7534864202. The cubic root of 5645982554 is about 1780.6552477582.

The spelling of 5645982554 in words is "five billion, six hundred forty-five million, nine hundred eighty-two thousand, five hundred fifty-four".