49515443 has 2 divisors, whose sum is σ = 49515444. Its totient is φ = 49515442.

The previous prime is 49515391. The next prime is 49515449. The reversal of 49515443 is 34451594.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49515443 - 2¹⁰ = 49514419 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (49515449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24757721 + 24757722.

It is an arithmetic number, because the mean of its divisors is an integer number (24757722).

Almost surely, 2^49515443 is an apocalyptic number.

49515443 is a deficient number, since it is larger than the sum of its proper divisors (1).

49515443 is an equidigital number, since it uses as much as digits as its factorization.

49515443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The square root of 49515443 is about 7036.7210403710. The cubic root of 49515443 is about 367.2092024462.

The spelling of 49515443 in words is "forty-nine million, five hundred fifteen thousand, four hundred forty-three".