49405493 has 2 divisors, whose sum is σ = 49405494. Its totient is φ = 49405492.

The previous prime is 49405483. The next prime is 49405511. The reversal of 49405493 is 39450494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48762289 + 643204 = 6983^2 + 802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49405493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49405483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24702746 + 24702747.

It is an arithmetic number, because the mean of its divisors is an integer number (24702747).

Almost surely, 2^49405493 is an apocalyptic number.

It is an amenable number.

49405493 is a deficient number, since it is larger than the sum of its proper divisors (1).

49405493 is an equidigital number, since it uses as much as digits as its factorization.

49405493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 49405493 is about 7028.9041108839. The cubic root of 49405493 is about 366.9372026383.

The spelling of 49405493 in words is "forty-nine million, four hundred five thousand, four hundred ninety-three".