550343151002561 has 8 divisors (see below), whose sum is σ = 629440449982080. Its totient is φ = 471365064232128.

The previous prime is 550343151002551. The next prime is 550343151002573. The reversal of 550343151002561 is 165200151343055.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550343151002561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550343151002531) 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, 29803042376 + ... + 29803060841.

It is an arithmetic number, because the mean of its divisors is an integer number (78680056247760).

Almost surely, 2^{550343151002561} is an apocalyptic number.

It is an amenable number.

550343151002561 is a deficient number, since it is larger than the sum of its proper divisors (79097298979519).

550343151002561 is a wasteful number, since it uses less digits than its factorization.

550343151002561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59606104543.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 550343151002561 in words is "five hundred fifty trillion, three hundred forty-three billion, one hundred fifty-one million, two thousand, five hundred sixty-one".