55505050406 has 32 divisors (see below), whose sum is σ = 91382891040. Its totient is φ = 25126343424.

The previous prime is 55505050387. The next prime is 55505050477. The reversal of 55505050406 is 60405050555.

It is a congruent number.

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, 7463666 + ... + 7471098.

It is an arithmetic number, because the mean of its divisors is an integer number (2855715345).

Almost surely, 2^55505050406 is an apocalyptic number.

55505050406 is a deficient number, since it is larger than the sum of its proper divisors (35877840634).

55505050406 is a wasteful number, since it uses less digits than its factorization.

55505050406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12920.

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 55505050406 in words is "fifty-five billion, five hundred five million, fifty thousand, four hundred six".