5551451473 has 8 divisors (see below), whose sum is σ = 6036873192. Its totient is φ = 5083681536.

The previous prime is 5551451471. The next prime is 5551451491. The reversal of 5551451473 is 3741541555.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2589588544 + 2961862929 = 50888^2 + 54423^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5551451473 - 2¹ = 5551451471 is a prime.

It is a super-2 number, since 2×5551451473² = 61637226914147739458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5551451471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4412290 + ... + 4413547.

It is an arithmetic number, because the mean of its divisors is an integer number (754609149).

Almost surely, 2^5551451473 is an apocalyptic number.

It is an amenable number.

5551451473 is a deficient number, since it is larger than the sum of its proper divisors (485421719).

5551451473 is a wasteful number, since it uses less digits than its factorization.

5551451473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8825891.

The product of its digits is 210000, while the sum is 40.

The square root of 5551451473 is about 74508.0631408440. The cubic root of 5551451473 is about 1770.6613840173.

The spelling of 5551451473 in words is "five billion, five hundred fifty-one million, four hundred fifty-one thousand, four hundred seventy-three".