55515105066 has 8 divisors (see below), whose sum is σ = 111030210144. Its totient is φ = 18505035020.

The previous prime is 55515105031. The next prime is 55515105091. The reversal of 55515105066 is 66050151555.

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

55515105066 is an admirable 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, 4626258750 + ... + 4626258761.

It is an arithmetic number, because the mean of its divisors is an integer number (13878776268).

Almost surely, 2^55515105066 is an apocalyptic number.

55515105066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55515105066 is a wasteful number, since it uses less digits than its factorization.

55515105066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9252517516.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 55515105066 in words is "fifty-five billion, five hundred fifteen million, one hundred five thousand, sixty-six".