55956518 has 8 divisors (see below), whose sum is σ = 83984040. Its totient is φ = 27961840.

The previous prime is 55956473. The next prime is 55956521. The reversal of 55956518 is 81565955.

55956518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55956518² = 6262263813368648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3383 + ... + 11106.

It is an arithmetic number, because the mean of its divisors is an integer number (10498005).

Almost surely, 2^55956518 is an apocalyptic number.

55956518 is a deficient number, since it is larger than the sum of its proper divisors (28027522).

55956518 is a wasteful number, since it uses less digits than its factorization.

55956518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16422.

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

The square root of 55956518 is about 7480.4089460403. The cubic root of 55956518 is about 382.4871893982.

The spelling of 55956518 in words is "fifty-five million, nine hundred fifty-six thousand, five hundred eighteen".