55618064 has 10 divisors (see below), whose sum is σ = 107760030. Its totient is φ = 27809024.

The previous prime is 55618019. The next prime is 55618081. The reversal of 55618064 is 46081655.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 54878464 + 739600 = 7408^2 + 860^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1738049 + ... + 1738080.

It is an arithmetic number, because the mean of its divisors is an integer number (10776003).

Almost surely, 2^55618064 is an apocalyptic number.

It is an amenable number.

55618064 is a deficient number, since it is larger than the sum of its proper divisors (52141966).

55618064 is a wasteful number, since it uses less digits than its factorization.

55618064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476137 (or 3476131 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 55618064 is about 7457.7519400956. The cubic root of 55618064 is about 381.7144691583.

The spelling of 55618064 in words is "fifty-five million, six hundred eighteen thousand, sixty-four".