49687493 has 2 divisors, whose sum is σ = 49687494. Its totient is φ = 49687492.

The previous prime is 49687487. The next prime is 49687591. The reversal of 49687493 is 39478694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28912129 + 20775364 = 5377^2 + 4558^2 .

It is a cyclic number.

It is not a de Polignac number, because 49687493 - 2¹² = 49683397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49687093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24843746 + 24843747.

It is an arithmetic number, because the mean of its divisors is an integer number (24843747).

Almost surely, 2^49687493 is an apocalyptic number.

It is an amenable number.

49687493 is a deficient number, since it is larger than the sum of its proper divisors (1).

49687493 is an equidigital number, since it uses as much as digits as its factorization.

49687493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 50.

The square root of 49687493 is about 7048.9355934070. The cubic root of 49687493 is about 367.6340214904.

The spelling of 49687493 in words is "forty-nine million, six hundred eighty-seven thousand, four hundred ninety-three".