56547321 has 8 divisors (see below), whose sum is σ = 79831584. Its totient is φ = 35480640.

The previous prime is 56547277. The next prime is 56547373. The reversal of 56547321 is 12374565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56547321 - 2¹⁴ = 56530937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56547391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554335 + ... + 554436.

It is an arithmetic number, because the mean of its divisors is an integer number (9978948).

Almost surely, 2^56547321 is an apocalyptic number.

56547321 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

56547321 is a deficient number, since it is larger than the sum of its proper divisors (23284263).

56547321 is a wasteful number, since it uses less digits than its factorization.

56547321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108791.

The product of its digits is 25200, while the sum is 33.

The square root of 56547321 is about 7519.7952764686. The cubic root of 56547321 is about 383.8286113962.

The spelling of 56547321 in words is "fifty-six million, five hundred forty-seven thousand, three hundred twenty-one".