55380656 has 10 divisors (see below), whose sum is σ = 107300052. Its totient is φ = 27690320.

The previous prime is 55380653. The next prime is 55380697. The reversal of 55380656 is 65608355.

It is not an unprimeable number, because it can be changed into a prime (55380653) by changing a digit.

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 as a sum of consecutive naturals, namely, 1730630 + ... + 1730661.

Almost surely, 2^55380656 is an apocalyptic number.

It is an amenable number.

55380656 is a deficient number, since it is larger than the sum of its proper divisors (51919396).

55380656 is a wasteful number, since it uses less digits than its factorization.

55380656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461299 (or 3461293 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 55380656 is about 7441.8180574373. The cubic root of 55380656 is about 381.1705732237.

The spelling of 55380656 in words is "fifty-five million, three hundred eighty thousand, six hundred fifty-six".