56811463 has 8 divisors (see below), whose sum is σ = 59886720. Its totient is φ = 53744760.

The previous prime is 56811457. The next prime is 56811479. The reversal of 56811463 is 36411865.

It is a happy number.

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 56811463 - 2¹⁷ = 56680391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56812463) 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 7 ways as a sum of consecutive naturals, for example, 15168 + ... + 18538.

It is an arithmetic number, because the mean of its divisors is an integer number (7485840).

Almost surely, 2^56811463 is an apocalyptic number.

56811463 is a deficient number, since it is larger than the sum of its proper divisors (3075257).

56811463 is a wasteful number, since it uses less digits than its factorization.

56811463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4277.

The product of its digits is 17280, while the sum is 34.

The square root of 56811463 is about 7537.3379252890. The cubic root of 56811463 is about 384.4253258009.

The spelling of 56811463 in words is "fifty-six million, eight hundred eleven thousand, four hundred sixty-three".