5545665454 has 48 divisors (see below), whose sum is σ = 10201559040. Its totient is φ = 2251050480.

The previous prime is 5545665449. The next prime is 5545665457. The reversal of 5545665454 is 4545665455.

It is a super-2 number, since 2×5545665454² = 61508810655378052232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 5545665398 and 5545665407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5545665457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123367 + ... + 162205.

It is an arithmetic number, because the mean of its divisors is an integer number (212532480).

Almost surely, 2^5545665454 is an apocalyptic number.

5545665454 is a deficient number, since it is larger than the sum of its proper divisors (4655893586).

5545665454 is a wasteful number, since it uses less digits than its factorization.

5545665454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38933 (or 38926 counting only the distinct ones).

The product of its digits is 7200000, while the sum is 49.

The square root of 5545665454 is about 74469.2248784691. The cubic root of 5545665454 is about 1770.0460109120.

Subtracting from 5545665454 its reverse (4545665455), we obtain a palindrome (999999999).

The spelling of 5545665454 in words is "five billion, five hundred forty-five million, six hundred sixty-five thousand, four hundred fifty-four".