55555550612 has 36 divisors (see below), whose sum is σ = 102668319936. Its totient is φ = 26300442960.

The previous prime is 55555550599. The next prime is 55555550623. The reversal of 55555550612 is 21605555555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2691443 + ... + 2712005.

It is an arithmetic number, because the mean of its divisors is an integer number (2851897776).

Almost surely, 2^55555550612 is an apocalyptic number.

It is an amenable number.

55555550612 is a deficient number, since it is larger than the sum of its proper divisors (47112769324).

55555550612 is a wasteful number, since it uses less digits than its factorization.

55555550612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22476 (or 22455 counting only the distinct ones).

The product of its (nonzero) digits is 937500, while the sum is 44.

The spelling of 55555550612 in words is "fifty-five billion, five hundred fifty-five million, five hundred fifty thousand, six hundred twelve".