548901439 has 2 divisors, whose sum is σ = 548901440. Its totient is φ = 548901438.

The previous prime is 548901433. The next prime is 548901511. The reversal of 548901439 is 934109845.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-548901439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 548901395 and 548901404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (548901433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274450719 + 274450720.

It is an arithmetic number, because the mean of its divisors is an integer number (274450720).

Almost surely, 2^548901439 is an apocalyptic number.

548901439 is a deficient number, since it is larger than the sum of its proper divisors (1).

548901439 is an equidigital number, since it uses as much as digits as its factorization.

548901439 is an evil number, because the sum of its binary digits is even.

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

The square root of 548901439 is about 23428.6456928265. The cubic root of 548901439 is about 818.7754073735.

The spelling of 548901439 in words is "five hundred forty-eight million, nine hundred one thousand, four hundred thirty-nine".