54439039 has 2 divisors, whose sum is σ = 54439040. Its totient is φ = 54439038.

The previous prime is 54439031. The next prime is 54439043. The reversal of 54439039 is 93093445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54439039 - 2³ = 54439031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54438989 and 54439007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54439031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27219519 + 27219520.

It is an arithmetic number, because the mean of its divisors is an integer number (27219520).

Almost surely, 2^54439039 is an apocalyptic number.

54439039 is a deficient number, since it is larger than the sum of its proper divisors (1).

54439039 is an equidigital number, since it uses as much as digits as its factorization.

54439039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 54439039 is about 7378.2815750011. The cubic root of 54439039 is about 378.9979114483.

The spelling of 54439039 in words is "fifty-four million, four hundred thirty-nine thousand, thirty-nine".