50540405249 has 2 divisors, whose sum is σ = 50540405250. Its totient is φ = 50540405248.

The previous prime is 50540405233. The next prime is 50540405261. The reversal of 50540405249 is 94250404505.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26742715024 + 23797690225 = 163532^2 + 154265^2 .

It is a cyclic number.

It is not a de Polignac number, because 50540405249 - 2⁴ = 50540405233 is a prime.

It is not a weakly prime, because it can be changed into another prime (50540405749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25270202624 + 25270202625.

It is an arithmetic number, because the mean of its divisors is an integer number (25270202625).

Almost surely, 2^50540405249 is an apocalyptic number.

It is an amenable number.

50540405249 is a deficient number, since it is larger than the sum of its proper divisors (1).

50540405249 is an equidigital number, since it uses as much as digits as its factorization.

50540405249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 50540405249 in words is "fifty billion, five hundred forty million, four hundred five thousand, two hundred forty-nine".