55616006 has 4 divisors (see below), whose sum is σ = 83424012. Its totient is φ = 27808002.

The previous prime is 55616003. The next prime is 55616039. The reversal of 55616006 is 60061655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60061655 = 5 ⋅12012331.

It is a self number, because there is not a number n which added to its sum of digits gives 55616006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55616003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13904000 + ... + 13904003.

It is an arithmetic number, because the mean of its divisors is an integer number (20856003).

Almost surely, 2^55616006 is an apocalyptic number.

55616006 is a deficient number, since it is larger than the sum of its proper divisors (27808006).

55616006 is a wasteful number, since it uses less digits than its factorization.

55616006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27808005.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 55616006 is about 7457.6139615832. The cubic root of 55616006 is about 381.7097609873.

The spelling of 55616006 in words is "fifty-five million, six hundred sixteen thousand, six".