49563409 has 4 divisors (see below), whose sum is σ = 56643904. Its totient is φ = 42482916.

The previous prime is 49563403. The next prime is 49563431. The reversal of 49563409 is 90436594.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 49563409 - 2¹³ = 49555217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49563403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3540237 + ... + 3540250.

It is an arithmetic number, because the mean of its divisors is an integer number (14160976).

Almost surely, 2^49563409 is an apocalyptic number.

It is an amenable number.

49563409 is a deficient number, since it is larger than the sum of its proper divisors (7080495).

49563409 is an equidigital number, since it uses as much as digits as its factorization.

49563409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7080494.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 49563409 is about 7040.1284789413. The cubic root of 49563409 is about 367.3277369958.

The spelling of 49563409 in words is "forty-nine million, five hundred sixty-three thousand, four hundred nine".