53738939 has 2 divisors, whose sum is σ = 53738940. Its totient is φ = 53738938.

The previous prime is 53738917. The next prime is 53738953. The reversal of 53738939 is 93983735.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53738939 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53738893 and 53738902.

It is not a weakly prime, because it can be changed into another prime (53738959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26869469 + 26869470.

It is an arithmetic number, because the mean of its divisors is an integer number (26869470).

Almost surely, 2^53738939 is an apocalyptic number.

53738939 is a deficient number, since it is larger than the sum of its proper divisors (1).

53738939 is an equidigital number, since it uses as much as digits as its factorization.

53738939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 47.

The square root of 53738939 is about 7330.6847565558. The cubic root of 53738939 is about 377.3662265946.

The spelling of 53738939 in words is "fifty-three million, seven hundred thirty-eight thousand, nine hundred thirty-nine".