56434121 has 8 divisors (see below), whose sum is σ = 57314184. Its totient is φ = 55560960.

The previous prime is 56434117. The next prime is 56434127. The reversal of 56434121 is 12143465.

It can be written as a sum of positive squares in 4 ways, for example, as 4752400 + 51681721 = 2180^2 + 7189^2 .

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 56434121 - 2² = 56434117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56434127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16151 + ... + 19331.

It is an arithmetic number, because the mean of its divisors is an integer number (7164273).

Almost surely, 2^56434121 is an apocalyptic number.

It is an amenable number.

56434121 is a deficient number, since it is larger than the sum of its proper divisors (880063).

56434121 is a wasteful number, since it uses less digits than its factorization.

56434121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451.

The product of its digits is 2880, while the sum is 26.

The square root of 56434121 is about 7512.2647051339. The cubic root of 56434121 is about 383.5723161755.

Adding to 56434121 its reverse (12143465), we get a palindrome (68577586).

The spelling of 56434121 in words is "fifty-six million, four hundred thirty-four thousand, one hundred twenty-one".