551502455143 has 4 divisors (see below), whose sum is σ = 553242210840. Its totient is φ = 549762699448.

The previous prime is 551502455071. The next prime is 551502455183. The reversal of 551502455143 is 341554205155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551502455143 - 2⁹ = 551502454631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551502455096 and 551502455105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551502455183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869877373 + ... + 869878006.

It is an arithmetic number, because the mean of its divisors is an integer number (138310552710).

Almost surely, 2^551502455143 is an apocalyptic number.

551502455143 is a deficient number, since it is larger than the sum of its proper divisors (1739755697).

551502455143 is a wasteful number, since it uses less digits than its factorization.

551502455143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739755696.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 551502455143 in words is "five hundred fifty-one billion, five hundred two million, four hundred fifty-five thousand, one hundred forty-three".