49490047 has 2 divisors, whose sum is σ = 49490048. Its totient is φ = 49490046.

The previous prime is 49490039. The next prime is 49490057. The reversal of 49490047 is 74009494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49490047 - 2³ = 49490039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49489988 and 49490015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49490027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24745023 + 24745024.

It is an arithmetic number, because the mean of its divisors is an integer number (24745024).

Almost surely, 2^49490047 is an apocalyptic number.

49490047 is a deficient number, since it is larger than the sum of its proper divisors (1).

49490047 is an equidigital number, since it uses as much as digits as its factorization.

49490047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 49490047 is about 7034.9162752658. The cubic root of 49490047 is about 367.1464123405.

The spelling of 49490047 in words is "forty-nine million, four hundred ninety thousand, forty-seven".