551735475447 has 8 divisors (see below), whose sum is σ = 792235554544. Its totient is φ = 339529523328.

The previous prime is 551735475433. The next prime is 551735475523. The reversal of 551735475447 is 744574537155.

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

It is not a de Polignac number, because 551735475447 - 2⁸ = 551735475191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551735475407) 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, 7073531698 + ... + 7073531775.

It is an arithmetic number, because the mean of its divisors is an integer number (99029444318).

Almost surely, 2^551735475447 is an apocalyptic number.

551735475447 is a deficient number, since it is larger than the sum of its proper divisors (240500079097).

551735475447 is a wasteful number, since it uses less digits than its factorization.

551735475447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14147063489.

The product of its digits is 41160000, while the sum is 57.

The spelling of 551735475447 in words is "five hundred fifty-one billion, seven hundred thirty-five million, four hundred seventy-five thousand, four hundred forty-seven".