56416121 has 8 divisors (see below), whose sum is σ = 58268160. Its totient is φ = 54591328.

The previous prime is 56416117. The next prime is 56416127. The reversal of 56416121 is 12161465.

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 56416121 - 2² = 56416117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56416127) 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, 2561 + ... + 10926.

It is an arithmetic number, because the mean of its divisors is an integer number (7283520).

Almost surely, 2^56416121 is an apocalyptic number.

It is an amenable number.

56416121 is a deficient number, since it is larger than the sum of its proper divisors (1852039).

56416121 is a wasteful number, since it uses less digits than its factorization.

56416121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13623.

The product of its digits is 1440, while the sum is 26.

The square root of 56416121 is about 7511.0665687371. The cubic root of 56416121 is about 383.5315309451.

Adding to 56416121 its reverse (12161465), we get a palindrome (68577586).

The spelling of 56416121 in words is "fifty-six million, four hundred sixteen thousand, one hundred twenty-one".