55560616 has 8 divisors (see below), whose sum is σ = 104176170. Its totient is φ = 27780304.

The previous prime is 55560613. The next prime is 55560629. The reversal of 55560616 is 61606555.

It can be written as a sum of positive squares in only one way, i.e., 45024100 + 10536516 = 6710^2 + 3246^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (55560611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3472531 + ... + 3472546.

Almost surely, 2^55560616 is an apocalyptic number.

It is an amenable number.

55560616 is a deficient number, since it is larger than the sum of its proper divisors (48615554).

55560616 is a wasteful number, since it uses less digits than its factorization.

55560616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6945083 (or 6945079 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 55560616 is about 7453.8993822026. The cubic root of 55560616 is about 381.5829993584.

The spelling of 55560616 in words is "fifty-five million, five hundred sixty thousand, six hundred sixteen".