55196855 has 16 divisors (see below), whose sum is σ = 76125504. Its totient is φ = 37635840.

The previous prime is 55196819. The next prime is 55196863. The reversal of 55196855 is 55869155.

It is not a de Polignac number, because 55196855 - 2¹⁰ = 55195831 is a prime.

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, 1979 + ... + 10691.

It is an arithmetic number, because the mean of its divisors is an integer number (4757844).

Almost surely, 2^55196855 is an apocalyptic number.

55196855 is a deficient number, since it is larger than the sum of its proper divisors (20928649).

55196855 is a wasteful number, since it uses less digits than its factorization.

55196855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8906.

The product of its digits is 270000, while the sum is 44.

The square root of 55196855 is about 7429.4585940027. The cubic root of 55196855 is about 380.7484211169.

The spelling of 55196855 in words is "fifty-five million, one hundred ninety-six thousand, eight hundred fifty-five".