49787453 has 2 divisors, whose sum is σ = 49787454. Its totient is φ = 49787452.

The previous prime is 49787447. The next prime is 49787477. The reversal of 49787453 is 35478794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49182169 + 605284 = 7013^2 + 778^2 .

It is a cyclic number.

It is not a de Polignac number, because 49787453 - 2¹⁸ = 49525309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49787398 and 49787407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49787483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24893726 + 24893727.

It is an arithmetic number, because the mean of its divisors is an integer number (24893727).

Almost surely, 2^49787453 is an apocalyptic number.

It is an amenable number.

49787453 is a deficient number, since it is larger than the sum of its proper divisors (1).

49787453 is an equidigital number, since it uses as much as digits as its factorization.

49787453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 47.

The square root of 49787453 is about 7056.0224631162. The cubic root of 49787453 is about 367.8803885251.

The spelling of 49787453 in words is "forty-nine million, seven hundred eighty-seven thousand, four hundred fifty-three".