49947803 has 2 divisors, whose sum is σ = 49947804. Its totient is φ = 49947802.

The previous prime is 49947787. The next prime is 49947839. The reversal of 49947803 is 30874994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49947803 - 2⁴ = 49947787 is a prime.

It is not a weakly prime, because it can be changed into another prime (49947883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24973901 + 24973902.

It is an arithmetic number, because the mean of its divisors is an integer number (24973902).

Almost surely, 2^49947803 is an apocalyptic number.

49947803 is a deficient number, since it is larger than the sum of its proper divisors (1).

49947803 is an equidigital number, since it uses as much as digits as its factorization.

49947803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 49947803 is about 7067.3759628309. The cubic root of 49947803 is about 368.2749083001.

The spelling of 49947803 in words is "forty-nine million, nine hundred forty-seven thousand, eight hundred three".