54711121 has 2 divisors, whose sum is σ = 54711122. Its totient is φ = 54711120.

The previous prime is 54711119. The next prime is 54711169. The reversal of 54711121 is 12111745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45711121 + 9000000 = 6761^2 + 3000^2 .

It is a cyclic number.

It is not a de Polignac number, because 54711121 - 2¹ = 54711119 is a prime.

It is a super-2 number, since 2×54711121² = 5986613522153282, which contains 22 as substring.

Together with 54711119, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 54711092 and 54711101.

It is not a weakly prime, because it can be changed into another prime (54711221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27355560 + 27355561.

It is an arithmetic number, because the mean of its divisors is an integer number (27355561).

Almost surely, 2^54711121 is an apocalyptic number.

It is an amenable number.

54711121 is a deficient number, since it is larger than the sum of its proper divisors (1).

54711121 is an equidigital number, since it uses as much as digits as its factorization.

54711121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 280, while the sum is 22.

The square root of 54711121 is about 7396.6966275494. The cubic root of 54711121 is about 379.6282629653.

Adding to 54711121 its reverse (12111745), we get a palindrome (66822866).

The spelling of 54711121 in words is "fifty-four million, seven hundred eleven thousand, one hundred twenty-one".