55817126 has 4 divisors (see below), whose sum is σ = 83725692. Its totient is φ = 27908562.

The previous prime is 55817119. The next prime is 55817131. The reversal of 55817126 is 62171855.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13954280 + ... + 13954283.

It is an arithmetic number, because the mean of its divisors is an integer number (20931423).

Almost surely, 2^55817126 is an apocalyptic number.

55817126 is a deficient number, since it is larger than the sum of its proper divisors (27908566).

55817126 is a wasteful number, since it uses less digits than its factorization.

55817126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27908565.

The product of its digits is 16800, while the sum is 35.

The square root of 55817126 is about 7471.0859987019. The cubic root of 55817126 is about 382.1693236177.

The spelling of 55817126 in words is "fifty-five million, eight hundred seventeen thousand, one hundred twenty-six".