55550991814 has 16 divisors (see below), whose sum is σ = 84339662400. Its totient is φ = 27437844520.

The previous prime is 55550991803. The next prime is 55550991841. The reversal of 55550991814 is 41819905555.

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, 2828649 + ... + 2848219.

It is an arithmetic number, because the mean of its divisors is an integer number (5271228900).

Almost surely, 2^55550991814 is an apocalyptic number.

55550991814 is a deficient number, since it is larger than the sum of its proper divisors (28788670586).

55550991814 is a wasteful number, since it uses less digits than its factorization.

55550991814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36755.

The product of its (nonzero) digits is 1620000, while the sum is 52.

The spelling of 55550991814 in words is "fifty-five billion, five hundred fifty million, nine hundred ninety-one thousand, eight hundred fourteen".