54819839 has 2 divisors, whose sum is σ = 54819840. Its totient is φ = 54819838.

The previous prime is 54819827. The next prime is 54819851. The reversal of 54819839 is 93891845.

It is a balanced prime because it is at equal distance from previous prime (54819827) and next prime (54819851).

It is a cyclic number.

It is not a de Polignac number, because 54819839 - 2¹⁶ = 54754303 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 54819793 and 54819802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54819139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27409919 + 27409920.

It is an arithmetic number, because the mean of its divisors is an integer number (27409920).

Almost surely, 2^54819839 is an apocalyptic number.

54819839 is a deficient number, since it is larger than the sum of its proper divisors (1).

54819839 is an equidigital number, since it uses as much as digits as its factorization.

54819839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 47.

The square root of 54819839 is about 7404.0420717335. The cubic root of 54819839 is about 379.8795532393.

The spelling of 54819839 in words is "fifty-four million, eight hundred nineteen thousand, eight hundred thirty-nine".