49928687 has 2 divisors, whose sum is σ = 49928688. Its totient is φ = 49928686.

The previous prime is 49928663. The next prime is 49928689. The reversal of 49928687 is 78682994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49928687 - 2²² = 45734383 is a prime.

Together with 49928689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49928689) 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, 24964343 + 24964344.

It is an arithmetic number, because the mean of its divisors is an integer number (24964344).

Almost surely, 2^49928687 is an apocalyptic number.

49928687 is a deficient number, since it is larger than the sum of its proper divisors (1).

49928687 is an equidigital number, since it uses as much as digits as its factorization.

49928687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 53.

The square root of 49928687 is about 7066.0234219821. The cubic root of 49928687 is about 368.2279203045.

The spelling of 49928687 in words is "forty-nine million, nine hundred twenty-eight thousand, six hundred eighty-seven".