55117426 has 16 divisors (see below), whose sum is σ = 101755584. Its totient is φ = 21804624.

The previous prime is 55117397. The next prime is 55117441. The reversal of 55117426 is 62471155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151240 + ... + 151603.

It is an arithmetic number, because the mean of its divisors is an integer number (6359724).

Almost surely, 2^55117426 is an apocalyptic number.

55117426 is a deficient number, since it is larger than the sum of its proper divisors (46638158).

55117426 is a wasteful number, since it uses less digits than its factorization.

55117426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302865.

The product of its digits is 8400, while the sum is 31.

The square root of 55117426 is about 7424.1111252459. Note that the first 4 decimals coincide. The cubic root of 55117426 is about 380.5656994480.

The spelling of 55117426 in words is "fifty-five million, one hundred seventeen thousand, four hundred twenty-six".