54390113 has 2 divisors, whose sum is σ = 54390114. Its totient is φ = 54390112.

The previous prime is 54390107. The next prime is 54390121. The reversal of 54390113 is 31109345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31618129 + 22771984 = 5623^2 + 4772^2 .

It is a cyclic number.

It is not a de Polignac number, because 54390113 - 2¹⁴ = 54373729 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (54390173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27195056 + 27195057.

It is an arithmetic number, because the mean of its divisors is an integer number (27195057).

Almost surely, 2^54390113 is an apocalyptic number.

It is an amenable number.

54390113 is a deficient number, since it is larger than the sum of its proper divisors (1).

54390113 is an equidigital number, since it uses as much as digits as its factorization.

54390113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 54390113 is about 7374.9652880539. The cubic root of 54390113 is about 378.8843384810.

Adding to 54390113 its reverse (31109345), we get a palindrome (85499458).

The spelling of 54390113 in words is "fifty-four million, three hundred ninety thousand, one hundred thirteen".