56165656 has 8 divisors (see below), whose sum is σ = 105310620. Its totient is φ = 28082824.

The previous prime is 56165647. The next prime is 56165657. The reversal of 56165656 is 65656165.

It is a tau number, because it is divible by the number of its divisors (8).

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 (56165657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3510346 + ... + 3510361.

Almost surely, 2^56165656 is an apocalyptic number.

It is an amenable number.

56165656 is a deficient number, since it is larger than the sum of its proper divisors (49144964).

56165656 is a wasteful number, since it uses less digits than its factorization.

56165656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7020713 (or 7020709 counting only the distinct ones).

The product of its digits is 162000, while the sum is 40.

The square root of 56165656 is about 7494.3749572596. The cubic root of 56165656 is about 382.9631134275.

The spelling of 56165656 in words is "fifty-six million, one hundred sixty-five thousand, six hundred fifty-six".