61636056 has 16 divisors (see below), whose sum is σ = 154090200. Its totient is φ = 20545344.

The previous prime is 61636027. The next prime is 61636087. The reversal of 61636056 is 65063616.

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, 1284061 + ... + 1284108.

Almost surely, 2^61636056 is an apocalyptic number.

It is an amenable number.

61636056 is an abundant number, since it is smaller than the sum of its proper divisors (92454144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61636056 is a wasteful number, since it uses less digits than its factorization.

61636056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568178 (or 2568174 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 61636056 is about 7850.8633920098. The cubic root of 61636056 is about 395.0132047073.

The spelling of 61636056 in words is "sixty-one million, six hundred thirty-six thousand, fifty-six".