49987433 has 2 divisors, whose sum is σ = 49987434. Its totient is φ = 49987432.

The previous prime is 49987417. The next prime is 49987439. The reversal of 49987433 is 33478994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49942489 + 44944 = 7067^2 + 212^2 .

It is a cyclic number.

It is not a de Polignac number, because 49987433 - 2⁴ = 49987417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (49987439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24993716 + 24993717.

It is an arithmetic number, because the mean of its divisors is an integer number (24993717).

Almost surely, 2^49987433 is an apocalyptic number.

It is an amenable number.

49987433 is a deficient number, since it is larger than the sum of its proper divisors (1).

49987433 is an equidigital number, since it uses as much as digits as its factorization.

49987433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 47.

The square root of 49987433 is about 7070.1791349300. The cubic root of 49987433 is about 368.3722824619.

The spelling of 49987433 in words is "forty-nine million, nine hundred eighty-seven thousand, four hundred thirty-three".