61610056 has 16 divisors (see below), whose sum is σ = 118206000. Its totient is φ = 30088464.

The previous prime is 61610053. The next prime is 61610071. The reversal of 61610056 is 65001616.

It is a self number, because there is not a number n which added to its sum of digits gives 61610056.

It is not an unprimeable number, because it can be changed into a prime (61610053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89206 + ... + 89893.

It is an arithmetic number, because the mean of its divisors is an integer number (7387875).

Almost surely, 2^61610056 is an apocalyptic number.

It is an amenable number.

61610056 is a deficient number, since it is larger than the sum of its proper divisors (56595944).

61610056 is a wasteful number, since it uses less digits than its factorization.

61610056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179148 (or 179144 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 61610056 is about 7849.2073485162. The cubic root of 61610056 is about 394.9576539553.

The spelling of 61610056 in words is "sixty-one million, six hundred ten thousand, fifty-six".