50111851 has 2 divisors, whose sum is σ = 50111852. Its totient is φ = 50111850.

The previous prime is 50111807. The next prime is 50111861. The reversal of 50111851 is 15811105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50111851 - 2⁹ = 50111339 is a prime.

It is a super-2 number, since 2×50111851² = 5022395221292402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50111861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25055925 + 25055926.

It is an arithmetic number, because the mean of its divisors is an integer number (25055926).

Almost surely, 2^50111851 is an apocalyptic number.

50111851 is a deficient number, since it is larger than the sum of its proper divisors (1).

50111851 is an equidigital number, since it uses as much as digits as its factorization.

50111851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 22.

The square root of 50111851 is about 7078.9724536828. The cubic root of 50111851 is about 368.6776536803.

Adding to 50111851 its reverse (15811105), we get a palindrome (65922956).

The spelling of 50111851 in words is "fifty million, one hundred eleven thousand, eight hundred fifty-one".