56155016 has 8 divisors (see below), whose sum is σ = 105290670. Its totient is φ = 28077504.

The previous prime is 56155003. The next prime is 56155019. The reversal of 56155016 is 61055165.

56155016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 55562116 + 592900 = 7454^2 + 770^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 56155016.

It is not an unprimeable number, because it can be changed into a prime (56155019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3509681 + ... + 3509696.

Almost surely, 2^56155016 is an apocalyptic number.

It is an amenable number.

56155016 is a deficient number, since it is larger than the sum of its proper divisors (49135654).

56155016 is a wasteful number, since it uses less digits than its factorization.

56155016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7019383 (or 7019379 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 56155016 is about 7493.6650579006. The cubic root of 56155016 is about 382.9389291059.

The spelling of 56155016 in words is "fifty-six million, one hundred fifty-five thousand, sixteen".