49887811 has 2 divisors, whose sum is σ = 49887812. Its totient is φ = 49887810.

The previous prime is 49887797. The next prime is 49887823. The reversal of 49887811 is 11878894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49887811 - 2⁷ = 49887683 is a prime.

It is not a weakly prime, because it can be changed into another prime (49887841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24943905 + 24943906.

It is an arithmetic number, because the mean of its divisors is an integer number (24943906).

Almost surely, 2^49887811 is an apocalyptic number.

49887811 is a deficient number, since it is larger than the sum of its proper divisors (1).

49887811 is an equidigital number, since it uses as much as digits as its factorization.

49887811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 46.

The square root of 49887811 is about 7063.1303966443. The cubic root of 49887811 is about 368.1274049843.

The spelling of 49887811 in words is "forty-nine million, eight hundred eighty-seven thousand, eight hundred eleven".