56426523 has 8 divisors (see below), whose sum is σ = 79195200. Its totient is φ = 35637768.

The previous prime is 56426483. The next prime is 56426533. The reversal of 56426523 is 32562465.

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

It is not a de Polignac number, because 56426523 - 2⁶ = 56426459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56426533) 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, 494913 + ... + 495026.

It is an arithmetic number, because the mean of its divisors is an integer number (9899400).

Almost surely, 2^56426523 is an apocalyptic number.

56426523 is a deficient number, since it is larger than the sum of its proper divisors (22768677).

56426523 is a wasteful number, since it uses less digits than its factorization.

56426523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989961.

The product of its digits is 43200, while the sum is 33.

The square root of 56426523 is about 7511.7589817565. The cubic root of 56426523 is about 383.5551013345. Note that the first 3 decimals are identical.

Adding to 56426523 its reverse (32562465), we get a palindrome (88988988).

The spelling of 56426523 in words is "fifty-six million, four hundred twenty-six thousand, five hundred twenty-three".