55006511201558 has 32 divisors (see below), whose sum is σ = 98399334297600. Its totient is φ = 22548658635360.

The previous prime is 55006511201549. The next prime is 55006511201569. The reversal of 55006511201558 is 85510211560055.

It is a super-3 number, since 3×55006511201558³ (a number of 42 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10087643 + ... + 14552441.

It is an arithmetic number, because the mean of its divisors is an integer number (3074979196800).

Almost surely, 2^{55006511201558} is an apocalyptic number.

55006511201558 is a deficient number, since it is larger than the sum of its proper divisors (43392823096042).

55006511201558 is a wasteful number, since it uses less digits than its factorization.

55006511201558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4503092.

The product of its (nonzero) digits is 300000, while the sum is 44.

The spelling of 55006511201558 in words is "fifty-five trillion, six billion, five hundred eleven million, two hundred one thousand, five hundred fifty-eight".