56243361 has 16 divisors (see below), whose sum is σ = 80495424. Its totient is φ = 34804224.

The previous prime is 56243359. The next prime is 56243389. The reversal of 56243361 is 16334265.

It is not a de Polignac number, because 56243361 - 2¹ = 56243359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56243311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3831 + ... + 11276.

It is an arithmetic number, because the mean of its divisors is an integer number (5030964).

Almost surely, 2^56243361 is an apocalyptic number.

56243361 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

56243361 is a deficient number, since it is larger than the sum of its proper divisors (24252063).

56243361 is a wasteful number, since it uses less digits than its factorization.

56243361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15200.

The product of its digits is 12960, while the sum is 30.

The square root of 56243361 is about 7499.5573869396. The cubic root of 56243361 is about 383.1396414457.

The spelling of 56243361 in words is "fifty-six million, two hundred forty-three thousand, three hundred sixty-one".