49900031 has 2 divisors, whose sum is σ = 49900032. Its totient is φ = 49900030.

The previous prime is 49900003. The next prime is 49900051. The reversal of 49900031 is 13000994.

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-49900031 is a prime.

It is a super-2 number, since 2×49900031² = 4980026187601922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49900051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24950015 + 24950016.

It is an arithmetic number, because the mean of its divisors is an integer number (24950016).

Almost surely, 2^49900031 is an apocalyptic number.

49900031 is a deficient number, since it is larger than the sum of its proper divisors (1).

49900031 is an equidigital number, since it uses as much as digits as its factorization.

49900031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 49900031 is about 7063.9953992057. The cubic root of 49900031 is about 368.1574600855.

The spelling of 49900031 in words is "forty-nine million, nine hundred thousand, thirty-one".