54941389 has 2 divisors, whose sum is σ = 54941390. Its totient is φ = 54941388.

The previous prime is 54941387. The next prime is 54941429. The reversal of 54941389 is 98314945.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47472100 + 7469289 = 6890^2 + 2733^2 .

It is a cyclic number.

It is not a de Polignac number, because 54941389 - 2¹ = 54941387 is a prime.

Together with 54941387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54941387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27470694 + 27470695.

It is an arithmetic number, because the mean of its divisors is an integer number (27470695).

Almost surely, 2^54941389 is an apocalyptic number.

It is an amenable number.

54941389 is a deficient number, since it is larger than the sum of its proper divisors (1).

54941389 is an equidigital number, since it uses as much as digits as its factorization.

54941389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The square root of 54941389 is about 7412.2458809729. The cubic root of 54941389 is about 380.1601102762.

The spelling of 54941389 in words is "fifty-four million, nine hundred forty-one thousand, three hundred eighty-nine".