55147818606 has 16 divisors (see below), whose sum is σ = 111387674448. Its totient is φ = 18200600000.

The previous prime is 55147818599. The next prime is 55147818617. The reversal of 55147818606 is 60681874155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45500895 + ... + 45502106.

It is an arithmetic number, because the mean of its divisors is an integer number (6961729653).

Almost surely, 2^55147818606 is an apocalyptic number.

55147818606 is an abundant number, since it is smaller than the sum of its proper divisors (56239855842).

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

55147818606 is a wasteful number, since it uses less digits than its factorization.

55147818606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91003107.

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 55147818606 in words is "fifty-five billion, one hundred forty-seven million, eight hundred eighteen thousand, six hundred six".