56921126 has 8 divisors (see below), whose sum is σ = 86584464. Its totient is φ = 28059640.

The previous prime is 56921087. The next prime is 56921147. The reversal of 56921126 is 62112965.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 56921092 and 56921101.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 200285 + ... + 200568.

It is an arithmetic number, because the mean of its divisors is an integer number (10823058).

Almost surely, 2^56921126 is an apocalyptic number.

56921126 is a deficient number, since it is larger than the sum of its proper divisors (29663338).

56921126 is a wasteful number, since it uses less digits than its factorization.

56921126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400926.

The product of its digits is 6480, while the sum is 32.

The square root of 56921126 is about 7544.6090687325. The cubic root of 56921126 is about 384.6725185094.

The spelling of 56921126 in words is "fifty-six million, nine hundred twenty-one thousand, one hundred twenty-six".