56121163 has 8 divisors (see below), whose sum is σ = 64465632. Its totient is φ = 47858496.

The previous prime is 56121161. The next prime is 56121167. The reversal of 56121163 is 36112165.

56121163 is nontrivially palindromic in base 14.

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

It is not a de Polignac number, because 56121163 - 2¹ = 56121161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56121161) 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, 18970 + ... + 21727.

It is an arithmetic number, because the mean of its divisors is an integer number (8058204).

Almost surely, 2^56121163 is an apocalyptic number.

56121163 is a deficient number, since it is larger than the sum of its proper divisors (8344469).

56121163 is a wasteful number, since it uses less digits than its factorization.

56121163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40901.

The product of its digits is 1080, while the sum is 25.

The square root of 56121163 is about 7491.4059428121. The cubic root of 56121163 is about 382.8619621764.

The spelling of 56121163 in words is "fifty-six million, one hundred twenty-one thousand, one hundred sixty-three".