49780151 has 2 divisors, whose sum is σ = 49780152. Its totient is φ = 49780150.

The previous prime is 49780121. The next prime is 49780187. The reversal of 49780151 is 15108794.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49780151 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49780121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24890075 + 24890076.

It is an arithmetic number, because the mean of its divisors is an integer number (24890076).

Almost surely, 2^49780151 is an apocalyptic number.

49780151 is a deficient number, since it is larger than the sum of its proper divisors (1).

49780151 is an equidigital number, since it uses as much as digits as its factorization.

49780151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 49780151 is about 7055.5050138172. The cubic root of 49780151 is about 367.8624027759.

The spelling of 49780151 in words is "forty-nine million, seven hundred eighty thousand, one hundred fifty-one".