5545040023 has 4 divisors (see below), whose sum is σ = 5564634088. Its totient is φ = 5525445960.

The previous prime is 5545039979. The next prime is 5545040027. The reversal of 5545040023 is 3200405455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5545040023 - 2¹⁷ = 5544908951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5545039973 and 5545040000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5545040027) 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, 9796608 + ... + 9797173.

It is an arithmetic number, because the mean of its divisors is an integer number (1391158522).

Almost surely, 2^5545040023 is an apocalyptic number.

5545040023 is a deficient number, since it is larger than the sum of its proper divisors (19594065).

5545040023 is a wasteful number, since it uses less digits than its factorization.

5545040023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19594064.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 5545040023 is about 74465.0255019093. The cubic root of 5545040023 is about 1769.9794674542.

Adding to 5545040023 its reverse (3200405455), we get a palindrome (8745445478).

The spelling of 5545040023 in words is "five billion, five hundred forty-five million, forty thousand, twenty-three".