50155031 has 2 divisors, whose sum is σ = 50155032. Its totient is φ = 50155030.

The previous prime is 50155009. The next prime is 50155037. The reversal of 50155031 is 13055105.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50155031 is a prime.

It is a super-2 number, since 2×50155031² = 5031054269221922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 50154994 and 50155012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50155037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25077515 + 25077516.

It is an arithmetic number, because the mean of its divisors is an integer number (25077516).

Almost surely, 2^50155031 is an apocalyptic number.

50155031 is a deficient number, since it is larger than the sum of its proper divisors (1).

50155031 is an equidigital number, since it uses as much as digits as its factorization.

50155031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 50155031 is about 7082.0216746350. The cubic root of 50155031 is about 368.7835164020.

The spelling of 50155031 in words is "fifty million, one hundred fifty-five thousand, thirty-one".