54511421 has 2 divisors, whose sum is σ = 54511422. Its totient is φ = 54511420.

The previous prime is 54511409. The next prime is 54511433. The reversal of 54511421 is 12411545.

It is a balanced prime because it is at equal distance from previous prime (54511409) and next prime (54511433).

It can be written as a sum of positive squares in only one way, i.e., 34351321 + 20160100 = 5861^2 + 4490^2 .

It is a cyclic number.

It is not a de Polignac number, because 54511421 - 2¹⁸ = 54249277 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54511441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27255710 + 27255711.

It is an arithmetic number, because the mean of its divisors is an integer number (27255711).

Almost surely, 2^54511421 is an apocalyptic number.

It is an amenable number.

54511421 is a deficient number, since it is larger than the sum of its proper divisors (1).

54511421 is an equidigital number, since it uses as much as digits as its factorization.

54511421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 800, while the sum is 23.

The square root of 54511421 is about 7383.1850173215. The cubic root of 54511421 is about 379.1658085934.

Adding to 54511421 its reverse (12411545), we get a palindrome (66922966).

The spelling of 54511421 in words is "fifty-four million, five hundred eleven thousand, four hundred twenty-one".