5545051145 has 4 divisors (see below), whose sum is σ = 6654061380. Its totient is φ = 4436040912.

The previous prime is 5545051123. The next prime is 5545051147. The reversal of 5545051145 is 5411505455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5411505455 = 5 ⋅1082301091.

It can be written as a sum of positive squares in 2 ways, for example, as 1590653689 + 3954397456 = 39883^2 + 62884^2 .

It is a cyclic number.

It is not a de Polignac number, because 5545051145 - 2³⁰ = 4471309321 is a prime.

It is a super-2 number, since 2×5545051145² = 61495184401331622050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5545051147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554505110 + ... + 554505119.

It is an arithmetic number, because the mean of its divisors is an integer number (1663515345).

Almost surely, 2^5545051145 is an apocalyptic number.

It is an amenable number.

5545051145 is a deficient number, since it is larger than the sum of its proper divisors (1109010235).

5545051145 is a wasteful number, since it uses less digits than its factorization.

5545051145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109010234.

The product of its (nonzero) digits is 50000, while the sum is 35.

The square root of 5545051145 is about 74465.1001812258. The cubic root of 5545051145 is about 1769.9806508360.

The spelling of 5545051145 in words is "five billion, five hundred forty-five million, fifty-one thousand, one hundred forty-five".