55555005006 has 16 divisors (see below), whose sum is σ = 123455566800. Its totient is φ = 18518334984.

The previous prime is 55555004987. The next prime is 55555005017. The reversal of 55555005006 is 60050055555.

55555005006 is a `hidden beast` number, since 5 + 55 + 550 + 0 + 50 + 0 + 6 = 666.

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, 514398141 + ... + 514398248.

It is an arithmetic number, because the mean of its divisors is an integer number (7715972925).

Almost surely, 2^55555005006 is an apocalyptic number.

55555005006 is an abundant number, since it is smaller than the sum of its proper divisors (67900561794).

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

55555005006 is a wasteful number, since it uses less digits than its factorization.

55555005006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028796400 (or 1028796394 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The spelling of 55555005006 in words is "fifty-five billion, five hundred fifty-five million, five thousand, six".