56601656 has 16 divisors (see below), whose sum is σ = 107868840. Its totient is φ = 27836640.

The previous prime is 56601641. The next prime is 56601659. The reversal of 56601656 is 65610665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56601659) 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, 57506 + ... + 58481.

Almost surely, 2^56601656 is an apocalyptic number.

It is an amenable number.

56601656 is a deficient number, since it is larger than the sum of its proper divisors (51267184).

56601656 is a wasteful number, since it uses less digits than its factorization.

56601656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116054 (or 116050 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 56601656 is about 7523.4072068445. The cubic root of 56601656 is about 383.9515093573.

Subtracting 56601656 from its reverse (65610665), we obtain a palindrome (9009009).

The spelling of 56601656 in words is "fifty-six million, six hundred one thousand, six hundred fifty-six".