49451047 has 2 divisors, whose sum is σ = 49451048. Its totient is φ = 49451046.

The previous prime is 49451041. The next prime is 49451063. The reversal of 49451047 is 74015494.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49451047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49451041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24725523 + 24725524.

It is an arithmetic number, because the mean of its divisors is an integer number (24725524).

Almost surely, 2^49451047 is an apocalyptic number.

49451047 is a deficient number, since it is larger than the sum of its proper divisors (1).

49451047 is an equidigital number, since it uses as much as digits as its factorization.

49451047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 49451047 is about 7032.1438409634. The cubic root of 49451047 is about 367.0499453145.

The spelling of 49451047 in words is "forty-nine million, four hundred fifty-one thousand, forty-seven".