56215602148 has 6 divisors (see below), whose sum is σ = 98377303766. Its totient is φ = 28107801072.

The previous prime is 56215602143. The next prime is 56215602181. The reversal of 56215602148 is 84120651265.

It can be written as a sum of positive squares in only one way, i.e., 50885434084 + 5330168064 = 225578^2 + 73008^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56215602148.

It is not an unprimeable number, because it can be changed into a prime (56215602143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7026950265 + ... + 7026950272.

Almost surely, 2^56215602148 is an apocalyptic number.

It is an amenable number.

56215602148 is a deficient number, since it is larger than the sum of its proper divisors (42161701618).

56215602148 is a wasteful number, since it uses less digits than its factorization.

56215602148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14053900541 (or 14053900539 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 56215602148 in words is "fifty-six billion, two hundred fifteen million, six hundred two thousand, one hundred forty-eight".