56466121 has 2 divisors, whose sum is σ = 56466122. Its totient is φ = 56466120.

The previous prime is 56466101. The next prime is 56466167. The reversal of 56466121 is 12166465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56025225 + 440896 = 7485^2 + 664^2 .

It is a cyclic number.

It is not a de Polignac number, because 56466121 - 2⁵ = 56466089 is a prime.

It is not a weakly prime, because it can be changed into another prime (56466101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28233060 + 28233061.

It is an arithmetic number, because the mean of its divisors is an integer number (28233061).

Almost surely, 2^56466121 is an apocalyptic number.

It is an amenable number.

56466121 is a deficient number, since it is larger than the sum of its proper divisors (1).

56466121 is an equidigital number, since it uses as much as digits as its factorization.

56466121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 56466121 is about 7514.3942536974. The cubic root of 56466121 is about 383.6448018435.

It can be divided in two parts, 56466 and 121, that multiplied together give a palindrome (6832386).

The spelling of 56466121 in words is "fifty-six million, four hundred sixty-six thousand, one hundred twenty-one".