54967421 has 2 divisors, whose sum is σ = 54967422. Its totient is φ = 54967420.

The previous prime is 54967397. The next prime is 54967439. The reversal of 54967421 is 12476945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54967396 + 25 = 7414^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 54967421 - 2⁶ = 54967357 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 (54967021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27483710 + 27483711.

It is an arithmetic number, because the mean of its divisors is an integer number (27483711).

Almost surely, 2^54967421 is an apocalyptic number.

It is an amenable number.

54967421 is a deficient number, since it is larger than the sum of its proper divisors (1).

54967421 is an equidigital number, since it uses as much as digits as its factorization.

54967421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 54967421 is about 7414.0016859993. The cubic root of 54967421 is about 380.2201425250.

The spelling of 54967421 in words is "fifty-four million, nine hundred sixty-seven thousand, four hundred twenty-one".