56213363 has 4 divisors (see below), whose sum is σ = 57409440. Its totient is φ = 55017288.

The previous prime is 56213309. The next prime is 56213387. The reversal of 56213363 is 36331265.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36331265 = 5 ⋅7266253.

It is a cyclic number.

It is not a de Polignac number, because 56213363 - 2¹² = 56209267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56213393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597968 + ... + 598061.

It is an arithmetic number, because the mean of its divisors is an integer number (14352360).

Almost surely, 2^56213363 is an apocalyptic number.

56213363 is a deficient number, since it is larger than the sum of its proper divisors (1196077).

56213363 is a wasteful number, since it uses less digits than its factorization.

56213363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196076.

The product of its digits is 9720, while the sum is 29.

The square root of 56213363 is about 7497.5571354942. The cubic root of 56213363 is about 383.0715121190.

The spelling of 56213363 in words is "fifty-six million, two hundred thirteen thousand, three hundred sixty-three".