49997727 has 24 divisors (see below), whose sum is σ = 78562848. Its totient is φ = 30456000.

The previous prime is 49997687. The next prime is 49997729. The reversal of 49997727 is 72779994.

It is not a de Polignac number, because 49997727 - 2¹⁰ = 49996703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49997729) 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 in 23 ways as a sum of consecutive naturals, for example, 9702 + ... + 13932.

It is an arithmetic number, because the mean of its divisors is an integer number (3273452).

Almost surely, 2^49997727 is an apocalyptic number.

49997727 is a deficient number, since it is larger than the sum of its proper divisors (28565121).

49997727 is a wasteful number, since it uses less digits than its factorization.

49997727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4351 (or 4348 counting only the distinct ones).

The product of its digits is 2000376, while the sum is 54.

The square root of 49997727 is about 7070.9070846674. The cubic root of 49997727 is about 368.3975672437.

The spelling of 49997727 in words is "forty-nine million, nine hundred ninety-seven thousand, seven hundred twenty-seven".