56571742000 has 160 divisors (see below), whose sum is σ = 142280536320. Its totient is φ = 21736166400.

The previous prime is 56571741973. The next prime is 56571742009. The reversal of 56571742000 is 24717565.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (56571742009) 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 31 ways as a sum of consecutive naturals, for example, 5841162 + ... + 5850838.

It is an arithmetic number, because the mean of its divisors is an integer number (889253352).

Almost surely, 2^56571742000 is an apocalyptic number.

56571742000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56571742000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71140268160).

56571742000 is an abundant number, since it is smaller than the sum of its proper divisors (85708794320).

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

56571742000 is a wasteful number, since it uses less digits than its factorization.

56571742000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9816 (or 9800 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 56571742000 in words is "fifty-six billion, five hundred seventy-one million, seven hundred forty-two thousand".