49601261 has 4 divisors (see below), whose sum is σ = 49963452. Its totient is φ = 49239072.

The previous prime is 49601249. The next prime is 49601263. The reversal of 49601261 is 16210694.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16210694 = 2 ⋅8105347.

It can be written as a sum of positive squares in 2 ways, for example, as 37393225 + 12208036 = 6115^2 + 3494^2 .

It is a cyclic number.

It is not a de Polignac number, because 49601261 - 2¹⁴ = 49584877 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 (49601263) 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 in 3 ways as a sum of consecutive naturals, for example, 180890 + ... + 181163.

It is an arithmetic number, because the mean of its divisors is an integer number (12490863).

Almost surely, 2^49601261 is an apocalyptic number.

It is an amenable number.

49601261 is a deficient number, since it is larger than the sum of its proper divisors (362191).

49601261 is a wasteful number, since it uses less digits than its factorization.

49601261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362190.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 49601261 is about 7042.8162690787. The cubic root of 49601261 is about 367.4212236474.

The spelling of 49601261 in words is "forty-nine million, six hundred one thousand, two hundred sixty-one".