49815043 has 2 divisors, whose sum is σ = 49815044. Its totient is φ = 49815042.

The previous prime is 49815019. The next prime is 49815053. The reversal of 49815043 is 34051894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49815043 - 2¹³ = 49806851 is a prime.

It is equal to p_2990680 and since 49815043 and 2990680 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (49815013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24907521 + 24907522.

It is an arithmetic number, because the mean of its divisors is an integer number (24907522).

Almost surely, 2^49815043 is an apocalyptic number.

49815043 is a deficient number, since it is larger than the sum of its proper divisors (1).

49815043 is an equidigital number, since it uses as much as digits as its factorization.

49815043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 49815043 is about 7057.9772598103. The cubic root of 49815043 is about 367.9483303125.

The spelling of 49815043 in words is "forty-nine million, eight hundred fifteen thousand, forty-three".