49893817 has 2 divisors, whose sum is σ = 49893818. Its totient is φ = 49893816.

The previous prime is 49893799. The next prime is 49893841. The reversal of 49893817 is 71839894.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33051001 + 16842816 = 5749^2 + 4104^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49893817 is a prime.

It is not a weakly prime, because it can be changed into another prime (49893847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24946908 + 24946909.

It is an arithmetic number, because the mean of its divisors is an integer number (24946909).

Almost surely, 2^49893817 is an apocalyptic number.

It is an amenable number.

49893817 is a deficient number, since it is larger than the sum of its proper divisors (1).

49893817 is an equidigital number, since it uses as much as digits as its factorization.

49893817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 49.

The square root of 49893817 is about 7063.5555494383. Note that the first 4 decimals coincide. The cubic root of 49893817 is about 368.1421773601.

The spelling of 49893817 in words is "forty-nine million, eight hundred ninety-three thousand, eight hundred seventeen".