56448136 has 8 divisors (see below), whose sum is σ = 105840270. Its totient is φ = 28224064.

The previous prime is 56448131. The next prime is 56448137. The reversal of 56448136 is 63184465.

56448136 = T₆₁₃₃ + T₆₁₃₄ + T₆₁₃₅.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29095236 + 27352900 = 5394^2 + 5230^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 56448095 and 56448104.

It is not an unprimeable number, because it can be changed into a prime (56448131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3528001 + ... + 3528016.

Almost surely, 2^56448136 is an apocalyptic number.

56448136 is the 6135-th centered triangular number.

It is an amenable number.

56448136 is a deficient number, since it is larger than the sum of its proper divisors (49392134).

56448136 is a wasteful number, since it uses less digits than its factorization.

56448136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7056023 (or 7056019 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 56448136 is about 7513.1974551452. The cubic root of 56448136 is about 383.6040660044.

The spelling of 56448136 in words is "fifty-six million, four hundred forty-eight thousand, one hundred thirty-six".