50515122401 has 4 divisors (see below), whose sum is σ = 51468237972. Its totient is φ = 49562006832.

The previous prime is 50515122337. The next prime is 50515122431. The reversal of 50515122401 is 10422151505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33708592801 + 16806529600 = 183599^2 + 129640^2 .

It is a cyclic number.

It is not a de Polignac number, because 50515122401 - 2⁶ = 50515122337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50515122431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476557706 + ... + 476557811.

It is an arithmetic number, because the mean of its divisors is an integer number (12867059493).

Almost surely, 2^50515122401 is an apocalyptic number.

It is an amenable number.

50515122401 is a deficient number, since it is larger than the sum of its proper divisors (953115571).

50515122401 is an equidigital number, since it uses as much as digits as its factorization.

50515122401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953115570.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 50515122401 its reverse (10422151505), we get a palindrome (60937273906).

The spelling of 50515122401 in words is "fifty billion, five hundred fifteen million, one hundred twenty-two thousand, four hundred one".