49942237 has 2 divisors, whose sum is σ = 49942238. Its totient is φ = 49942236.

The previous prime is 49942229. The next prime is 49942259. The reversal of 49942237 is 73224994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38204761 + 11737476 = 6181^2 + 3426^2 .

It is a cyclic number.

It is not a de Polignac number, because 49942237 - 2³ = 49942229 is a prime.

It is a super-3 number, since 3×49942237³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49942237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49942037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24971118 + 24971119.

It is an arithmetic number, because the mean of its divisors is an integer number (24971119).

Almost surely, 2^49942237 is an apocalyptic number.

It is an amenable number.

49942237 is a deficient number, since it is larger than the sum of its proper divisors (1).

49942237 is an equidigital number, since it uses as much as digits as its factorization.

49942237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 49942237 is about 7066.9821706298. The cubic root of 49942237 is about 368.2612280568.

The spelling of 49942237 in words is "forty-nine million, nine hundred forty-two thousand, two hundred thirty-seven".