54928493 has 2 divisors, whose sum is σ = 54928494. Its totient is φ = 54928492.

The previous prime is 54928483. The next prime is 54928507. The reversal of 54928493 is 39482945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27857284 + 27071209 = 5278^2 + 5203^2 .

It is a cyclic number.

It is not a de Polignac number, because 54928493 - 2¹⁶ = 54862957 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54928483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27464246 + 27464247.

It is an arithmetic number, because the mean of its divisors is an integer number (27464247).

Almost surely, 2^54928493 is an apocalyptic number.

It is an amenable number.

54928493 is a deficient number, since it is larger than the sum of its proper divisors (1).

54928493 is an equidigital number, since it uses as much as digits as its factorization.

54928493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 44.

The square root of 54928493 is about 7411.3759181410. The cubic root of 54928493 is about 380.1303638592.

The spelling of 54928493 in words is "fifty-four million, nine hundred twenty-eight thousand, four hundred ninety-three".