56150561 has 8 divisors (see below), whose sum is σ = 58401024. Its totient is φ = 53943120.

The previous prime is 56150557. The next prime is 56150569. The reversal of 56150561 is 16505165.

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

It is a cyclic number.

It is not a de Polignac number, because 56150561 - 2² = 56150557 is a prime.

It is a super-2 number, since 2×56150561² = 6305771001229442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56150569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8081 + ... + 13326.

It is an arithmetic number, because the mean of its divisors is an integer number (7300128).

Almost surely, 2^56150561 is an apocalyptic number.

It is an amenable number.

56150561 is a deficient number, since it is larger than the sum of its proper divisors (2250463).

56150561 is a wasteful number, since it uses less digits than its factorization.

56150561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21511.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 56150561 is about 7493.3678009290. The cubic root of 56150561 is about 382.9288021504.

The spelling of 56150561 in words is "fifty-six million, one hundred fifty thousand, five hundred sixty-one".