60655565 has 4 divisors (see below), whose sum is σ = 72786684. Its totient is φ = 48524448.

The previous prime is 60655549. The next prime is 60655579. The reversal of 60655565 is 56555606.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35545444 + 25110121 = 5962^2 + 5011^2 .

It is a cyclic number.

It is not a de Polignac number, because 60655565 - 2⁴ = 60655549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6065552 + ... + 6065561.

It is an arithmetic number, because the mean of its divisors is an integer number (18196671).

Almost surely, 2^60655565 is an apocalyptic number.

It is an amenable number.

60655565 is a deficient number, since it is larger than the sum of its proper divisors (12131119).

60655565 is a wasteful number, since it uses less digits than its factorization.

60655565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12131118.

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 60655565 is about 7788.1682698822. The cubic root of 60655565 is about 392.9074082555.

The spelling of 60655565 in words is "sixty million, six hundred fifty-five thousand, five hundred sixty-five".