55616655 has 8 divisors (see below), whose sum is σ = 88986672. Its totient is φ = 29662208.

The previous prime is 55616653. The next prime is 55616669. The reversal of 55616655 is 55661655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55616655 - 2¹ = 55616653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55616653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1853874 + ... + 1853903.

It is an arithmetic number, because the mean of its divisors is an integer number (11123334).

Almost surely, 2^55616655 is an apocalyptic number.

55616655 is a deficient number, since it is larger than the sum of its proper divisors (33370017).

55616655 is a wasteful number, since it uses less digits than its factorization.

55616655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707785.

The product of its digits is 135000, while the sum is 39.

The square root of 55616655 is about 7457.6574740330. The cubic root of 55616655 is about 381.7112457437.

The spelling of 55616655 in words is "fifty-five million, six hundred sixteen thousand, six hundred fifty-five".