49278059 has 2 divisors, whose sum is σ = 49278060. Its totient is φ = 49278058.

The previous prime is 49278049. The next prime is 49278071. The reversal of 49278059 is 95087294.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49278059 - 2¹⁶ = 49212523 is a prime.

It is not a weakly prime, because it can be changed into another prime (49278049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24639029 + 24639030.

It is an arithmetic number, because the mean of its divisors is an integer number (24639030).

Almost surely, 2^49278059 is an apocalyptic number.

49278059 is a deficient number, since it is larger than the sum of its proper divisors (1).

49278059 is an equidigital number, since it uses as much as digits as its factorization.

49278059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 49278059 is about 7019.8332601280. The cubic root of 49278059 is about 366.6214446524.

The spelling of 49278059 in words is "forty-nine million, two hundred seventy-eight thousand, fifty-nine".