49927409 has 4 divisors (see below), whose sum is σ = 57059904. Its totient is φ = 42794916.

The previous prime is 49927399. The next prime is 49927439. The reversal of 49927409 is 90472994.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49927409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49927409.

It is not an unprimeable number, because it can be changed into a prime (49927439) 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, 3566237 + ... + 3566250.

It is an arithmetic number, because the mean of its divisors is an integer number (14264976).

Almost surely, 2^49927409 is an apocalyptic number.

It is an amenable number.

49927409 is a deficient number, since it is larger than the sum of its proper divisors (7132495).

49927409 is an equidigital number, since it uses as much as digits as its factorization.

49927409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7132494.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 49927409 is about 7065.9329886435. The cubic root of 49927409 is about 368.2247784948.

The spelling of 49927409 in words is "forty-nine million, nine hundred twenty-seven thousand, four hundred nine".