55117304601145 has 16 divisors (see below), whose sum is σ = 67549554455040. Its totient is φ = 43154693797824.

The previous prime is 55117304601137. The next prime is 55117304601193. The reversal of 55117304601145 is 54110640371155.

It is a cyclic number.

It is not a de Polignac number, because 55117304601145 - 2³ = 55117304601137 is a prime.

It is a super-2 number, since 2×55117304601145² (a number of 28 digits) contains 22 as substring.

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, 7754164 + ... + 13052266.

It is an arithmetic number, because the mean of its divisors is an integer number (4221847153440).

Almost surely, 2^{55117304601145} is an apocalyptic number.

It is an amenable number.

55117304601145 is a deficient number, since it is larger than the sum of its proper divisors (12432249853895).

55117304601145 is a wasteful number, since it uses less digits than its factorization.

55117304601145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5342424.

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 55117304601145 in words is "fifty-five trillion, one hundred seventeen billion, three hundred four million, six hundred one thousand, one hundred forty-five".