55659394 has 24 divisors (see below), whose sum is σ = 102835980. Its totient is φ = 22450176.

The previous prime is 55659347. The next prime is 55659403. The reversal of 55659394 is 49395655.

It can be written as a sum of positive squares in 2 ways, for example, as 55577025 + 82369 = 7455^2 + 287^2 .

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 15039 + ... + 18370.

Almost surely, 2^55659394 is an apocalyptic number.

55659394 is a deficient number, since it is larger than the sum of its proper divisors (47176586).

55659394 is a wasteful number, since it uses less digits than its factorization.

55659394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33442 (or 33435 counting only the distinct ones).

The product of its digits is 729000, while the sum is 46.

The square root of 55659394 is about 7460.5223677702. The cubic root of 55659394 is about 381.8089969171.

The spelling of 55659394 in words is "fifty-five million, six hundred fifty-nine thousand, three hundred ninety-four".