56491448 has 16 divisors (see below), whose sum is σ = 114069480. Its totient is φ = 26072928.

The previous prime is 56491441. The next prime is 56491453. The reversal of 56491448 is 84419465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56491441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271490 + ... + 271697.

Almost surely, 2^56491448 is an apocalyptic number.

It is an amenable number.

56491448 is an abundant number, since it is smaller than the sum of its proper divisors (57578032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56491448 is a wasteful number, since it uses less digits than its factorization.

56491448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543206 (or 543202 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 56491448 is about 7516.0792970804. The cubic root of 56491448 is about 383.7021525719.

The spelling of 56491448 in words is "fifty-six million, four hundred ninety-one thousand, four hundred forty-eight".