55418966 has 16 divisors (see below), whose sum is σ = 84167856. Its totient is φ = 27365376.

The previous prime is 55418903. The next prime is 55418977. The reversal of 55418966 is 66981455.

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, 70025 + ... + 70811.

It is an arithmetic number, because the mean of its divisors is an integer number (5260491).

Almost surely, 2^55418966 is an apocalyptic number.

55418966 is a deficient number, since it is larger than the sum of its proper divisors (28748890).

55418966 is a wasteful number, since it uses less digits than its factorization.

55418966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183.

The product of its digits is 259200, while the sum is 44.

The square root of 55418966 is about 7444.3915802435. The cubic root of 55418966 is about 381.2584455354.

The spelling of 55418966 in words is "fifty-five million, four hundred eighteen thousand, nine hundred sixty-six".