50561656 has 16 divisors (see below), whose sum is σ = 96139440. Its totient is φ = 24924480.

The previous prime is 50561653. The next prime is 50561657. The reversal of 50561656 is 65616505.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50561653) 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, 43941 + ... + 45076.

It is an arithmetic number, because the mean of its divisors is an integer number (6008715).

Almost surely, 2^50561656 is an apocalyptic number.

It is an amenable number.

50561656 is a deficient number, since it is larger than the sum of its proper divisors (45577784).

50561656 is a wasteful number, since it uses less digits than its factorization.

50561656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89094 (or 89090 counting only the distinct ones).

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

The square root of 50561656 is about 7110.6719794967. The cubic root of 50561656 is about 369.7774556542. Note that the first 3 decimals are identical.

The spelling of 50561656 in words is "fifty million, five hundred sixty-one thousand, six hundred fifty-six".