55740656 has 20 divisors (see below), whose sum is σ = 108252000. Its totient is φ = 27804672.

The previous prime is 55740589. The next prime is 55740673. The reversal of 55740656 is 65604755.

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 3 ways as a sum of consecutive naturals, for example, 3305 + ... + 11063.

It is an arithmetic number, because the mean of its divisors is an integer number (5412600).

Almost surely, 2^55740656 is an apocalyptic number.

It is an amenable number.

55740656 is a deficient number, since it is larger than the sum of its proper divisors (52511344).

55740656 is a wasteful number, since it uses less digits than its factorization.

55740656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8216 (or 8210 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 55740656 is about 7465.9665147923. The cubic root of 55740656 is about 381.9947186390.

The spelling of 55740656 in words is "fifty-five million, seven hundred forty thousand, six hundred fifty-six".