50611013 has 2 divisors, whose sum is σ = 50611014. Its totient is φ = 50611012.

The previous prime is 50611009. The next prime is 50611019. The reversal of 50611013 is 31011605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50452609 + 158404 = 7103^2 + 398^2 .

It is a cyclic number.

It is not a de Polignac number, because 50611013 - 2² = 50611009 is a prime.

It is a super-2 number, since 2×50611013² = 5122949273772338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50610982 and 50611000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50611019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25305506 + 25305507.

It is an arithmetic number, because the mean of its divisors is an integer number (25305507).

Almost surely, 2^50611013 is an apocalyptic number.

It is an amenable number.

50611013 is a deficient number, since it is larger than the sum of its proper divisors (1).

50611013 is an equidigital number, since it uses as much as digits as its factorization.

50611013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 50611013 is about 7114.1417613089. The cubic root of 50611013 is about 369.8977389663.

Adding to 50611013 its reverse (31011605), we get a palindrome (81622618).

The spelling of 50611013 in words is "fifty million, six hundred eleven thousand, thirteen".