5551404345 has 24 divisors (see below), whose sum is σ = 9624286152. Its totient is φ = 2960179200.

The previous prime is 5551404319. The next prime is 5551404359. The reversal of 5551404345 is 5434041555.

It can be written as a sum of positive squares in 4 ways, for example, as 37896336 + 5513508009 = 6156^2 + 74253^2 .

It is not a de Polignac number, because 5551404345 - 2¹⁵ = 5551371577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 337615 + ... + 353675.

It is an arithmetic number, because the mean of its divisors is an integer number (401011923).

Almost surely, 2^5551404345 is an apocalyptic number.

It is an amenable number.

5551404345 is a deficient number, since it is larger than the sum of its proper divisors (4072881807).

5551404345 is a wasteful number, since it uses less digits than its factorization.

5551404345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23753 (or 23750 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The square root of 5551404345 is about 74507.7468790998. The cubic root of 5551404345 is about 1770.6563734379.

The spelling of 5551404345 in words is "five billion, five hundred fifty-one million, four hundred four thousand, three hundred forty-five".