5501799045 has 80 divisors (see below), whose sum is σ = 10129059072. Its totient is φ = 2855502720.

The previous prime is 5501799041. The next prime is 5501799077. The reversal of 5501799045 is 5409971055.

5501799045 is a `hidden beast` number, since 550 + 1 + 7 + 9 + 90 + 4 + 5 = 666.

It is not a de Polignac number, because 5501799045 - 2² = 5501799041 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5501799041) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7505499 + ... + 7506231.

Almost surely, 2^5501799045 is an apocalyptic number.

It is an amenable number.

5501799045 is a deficient number, since it is larger than the sum of its proper divisors (4627260027).

5501799045 is a wasteful number, since it uses less digits than its factorization.

5501799045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 45.

The square root of 5501799045 is about 74174.1130381753. The cubic root of 5501799045 is about 1765.3666089706.

It can be divided in two parts, 5501 and 799045, that added together give a triangular number (804546 = T₁₂₆₈).

The spelling of 5501799045 in words is "five billion, five hundred one million, seven hundred ninety-nine thousand, forty-five".