49988977 has 2 divisors, whose sum is σ = 49988978. Its totient is φ = 49988976.

The previous prime is 49988969. The next prime is 49989007. The reversal of 49988977 is 77988994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27625536 + 22363441 = 5256^2 + 4729^2 .

It is a cyclic number.

It is not a de Polignac number, because 49988977 - 2³ = 49988969 is a prime.

It is not a weakly prime, because it can be changed into another prime (49988927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24994488 + 24994489.

It is an arithmetic number, because the mean of its divisors is an integer number (24994489).

Almost surely, 2^49988977 is an apocalyptic number.

It is an amenable number.

49988977 is a deficient number, since it is larger than the sum of its proper divisors (1).

49988977 is an equidigital number, since it uses as much as digits as its factorization.

49988977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 61.

The square root of 49988977 is about 7070.2883250968. The cubic root of 49988977 is about 368.3760751548.

The spelling of 49988977 in words is "forty-nine million, nine hundred eighty-eight thousand, nine hundred seventy-seven".