56126216 has 8 divisors (see below), whose sum is σ = 105236670. Its totient is φ = 28063104.

The previous prime is 56126207. The next prime is 56126219. The reversal of 56126216 is 61262165.

It can be written as a sum of positive squares in only one way, i.e., 54081316 + 2044900 = 7354^2 + 1430^2 .

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

It is not an unprimeable number, because it can be changed into a prime (56126219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3507881 + ... + 3507896.

Almost surely, 2^56126216 is an apocalyptic number.

It is an amenable number.

56126216 is a deficient number, since it is larger than the sum of its proper divisors (49110454).

56126216 is a wasteful number, since it uses less digits than its factorization.

56126216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7015783 (or 7015779 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 56126216 is about 7491.7431883374. The cubic root of 56126216 is about 382.8734524552.

It can be divided in two parts, 561 and 26216, that multiplied together give a triangular number (14707176 = T₅₄₂₃).

The spelling of 56126216 in words is "fifty-six million, one hundred twenty-six thousand, two hundred sixteen".