56487648 has 48 divisors (see below), whose sum is σ = 169464960. Its totient is φ = 16139136.

The previous prime is 56487643. The next prime is 56487689. The reversal of 56487648 is 84678465.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 56487597 and 56487606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56487643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41358 + ... + 42701.

It is an arithmetic number, because the mean of its divisors is an integer number (3530520).

Almost surely, 2^56487648 is an apocalyptic number.

It is an amenable number.

56487648 is an abundant number, since it is smaller than the sum of its proper divisors (112977312).

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

56487648 is a wasteful number, since it uses less digits than its factorization.

56487648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84079 (or 84071 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 56487648 is about 7515.8265014568. The cubic root of 56487648 is about 383.6935489046.

The spelling of 56487648 in words is "fifty-six million, four hundred eighty-seven thousand, six hundred forty-eight".