56571048 has 80 divisors (see below), whose sum is σ = 160939680. Its totient is φ = 18561312.

The previous prime is 56571041. The next prime is 56571049. The reversal of 56571048 is 84017565.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (56571041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 42765 + ... + 44067.

It is an arithmetic number, because the mean of its divisors is an integer number (2011746).

Almost surely, 2^56571048 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 56571048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80469840).

56571048 is an abundant number, since it is smaller than the sum of its proper divisors (104368632).

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

56571048 is a wasteful number, since it uses less digits than its factorization.

56571048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388 (or 1375 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 56571048 is about 7521.3727470456. The cubic root of 56571048 is about 383.8822881389.

The spelling of 56571048 in words is "fifty-six million, five hundred seventy-one thousand, forty-eight".