56487396 has 72 divisors (see below), whose sum is σ = 162370656. Its totient is φ = 15187200.

The previous prime is 56487391. The next prime is 56487407. The reversal of 56487396 is 69378465.

It is not an unprimeable number, because it can be changed into a prime (56487391) 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 in 23 ways as a sum of consecutive naturals, for example, 7171 + ... + 12821.

It is an arithmetic number, because the mean of its divisors is an integer number (2255148).

Almost surely, 2^56487396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56487396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81185328).

56487396 is an abundant number, since it is smaller than the sum of its proper divisors (105883260).

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

56487396 is a wasteful number, since it uses less digits than its factorization.

56487396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5689 (or 5680 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The square root of 56487396 is about 7515.8097368148. The cubic root of 56487396 is about 383.6929783320.

The spelling of 56487396 in words is "fifty-six million, four hundred eighty-seven thousand, three hundred ninety-six".