49009061 has 4 divisors (see below), whose sum is σ = 49680492. Its totient is φ = 48337632.

The previous prime is 49009057. The next prime is 49009087. The reversal of 49009061 is 16090094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16090094 = 2 ⋅8045047.

It can be written as a sum of positive squares in 2 ways, for example, as 29920900 + 19088161 = 5470^2 + 4369^2 .

It is a cyclic number.

It is not a de Polignac number, because 49009061 - 2² = 49009057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49009001) 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, 335606 + ... + 335751.

It is an arithmetic number, because the mean of its divisors is an integer number (12420123).

Almost surely, 2^49009061 is an apocalyptic number.

It is an amenable number.

49009061 is a deficient number, since it is larger than the sum of its proper divisors (671431).

49009061 is an equidigital number, since it uses as much as digits as its factorization.

49009061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671430.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 49009061 is about 7000.6471843680. The cubic root of 49009061 is about 365.9531253734.

The spelling of 49009061 in words is "forty-nine million, nine thousand, sixty-one".