55000550555001 has 16 divisors (see below), whose sum is σ = 81638095030720. Its totient is φ = 36596924642880.

The previous prime is 55000550554993. The next prime is 55000550555017. The reversal of 55000550555001 is 10055505500055.

It is a happy number.

55000550555001 is a `hidden beast` number, since 5 + 5 + 0 + 0 + 0 + 550 + 55 + 50 + 0 + 1 = 666.

It is not a de Polignac number, because 55000550555001 - 2³ = 55000550554993 is a prime.

It is a super-2 number, since 2×55000550555001² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55000550556001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1947459520 + ... + 1947487761.

It is an arithmetic number, because the mean of its divisors is an integer number (5102380939420).

Almost surely, 2^{55000550555001} is an apocalyptic number.

It is an amenable number.

55000550555001 is a deficient number, since it is larger than the sum of its proper divisors (26637544475719).

55000550555001 is a wasteful number, since it uses less digits than its factorization.

55000550555001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894947813 (or 3894947807 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The spelling of 55000550555001 in words is "fifty-five trillion, five hundred fifty million, five hundred fifty-five thousand, one".