54346421 has 2 divisors, whose sum is σ = 54346422. Its totient is φ = 54346420.

The previous prime is 54346387. The next prime is 54346463. The reversal of 54346421 is 12464345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44823025 + 9523396 = 6695^2 + 3086^2 .

It is a cyclic number.

It is not a de Polignac number, because 54346421 - 2¹⁴ = 54330037 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 (54346121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27173210 + 27173211.

It is an arithmetic number, because the mean of its divisors is an integer number (27173211).

Almost surely, 2^54346421 is an apocalyptic number.

It is an amenable number.

54346421 is a deficient number, since it is larger than the sum of its proper divisors (1).

54346421 is an equidigital number, since it uses as much as digits as its factorization.

54346421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 29.

The square root of 54346421 is about 7372.0025094950. The cubic root of 54346421 is about 378.7828577259.

It can be divided in two parts, 543 and 46421, that added together give a palindrome (46964).

The spelling of 54346421 in words is "fifty-four million, three hundred forty-six thousand, four hundred twenty-one".