49277551 has 2 divisors, whose sum is σ = 49277552. Its totient is φ = 49277550.

The previous prime is 49277549. The next prime is 49277561. The reversal of 49277551 is 15577294.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49277551 - 2¹ = 49277549 is a prime.

Together with 49277549, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49277561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24638775 + 24638776.

It is an arithmetic number, because the mean of its divisors is an integer number (24638776).

Almost surely, 2^49277551 is an apocalyptic number.

49277551 is a deficient number, since it is larger than the sum of its proper divisors (1).

49277551 is an equidigital number, since it uses as much as digits as its factorization.

49277551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88200, while the sum is 40.

The square root of 49277551 is about 7019.7970768392. The cubic root of 49277551 is about 366.6201848332.

The spelling of 49277551 in words is "forty-nine million, two hundred seventy-seven thousand, five hundred fifty-one".