5551605671558 has 8 divisors (see below), whose sum is σ = 8352118919352. Its totient is φ = 2767566031776.

The previous prime is 5551605671543. The next prime is 5551605671627. The reversal of 5551605671558 is 8551765061555.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5551605671497 and 5551605671506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4118401160 + ... + 4118402507.

It is an arithmetic number, because the mean of its divisors is an integer number (1044014864919).

Almost surely, 2^{5551605671558} is an apocalyptic number.

5551605671558 is a deficient number, since it is larger than the sum of its proper divisors (2800513247794).

5551605671558 is a wasteful number, since it uses less digits than its factorization.

5551605671558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8236804006.

The product of its (nonzero) digits is 31500000, while the sum is 59.

The spelling of 5551605671558 in words is "five trillion, five hundred fifty-one billion, six hundred five million, six hundred seventy-one thousand, five hundred fifty-eight".