49947907 has 2 divisors, whose sum is σ = 49947908. Its totient is φ = 49947906.

The previous prime is 49947883. The next prime is 49947917. The reversal of 49947907 is 70974994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49947907 - 2²³ = 41559299 is a prime.

It is not a weakly prime, because it can be changed into another prime (49947917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24973953 + 24973954.

It is an arithmetic number, because the mean of its divisors is an integer number (24973954).

Almost surely, 2^49947907 is an apocalyptic number.

49947907 is a deficient number, since it is larger than the sum of its proper divisors (1).

49947907 is an equidigital number, since it uses as much as digits as its factorization.

49947907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 49947907 is about 7067.3833205791. The cubic root of 49947907 is about 368.2751639040.

The spelling of 49947907 in words is "forty-nine million, nine hundred forty-seven thousand, nine hundred seven".