49140561 has 8 divisors (see below), whose sum is σ = 65561184. Its totient is φ = 32740160.

The previous prime is 49140473. The next prime is 49140571. The reversal of 49140561 is 16504194.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49140561 - 2¹¹ = 49138513 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49140571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2041 + ... + 10121.

It is an arithmetic number, because the mean of its divisors is an integer number (8195148).

Almost surely, 2^49140561 is an apocalyptic number.

It is an amenable number.

49140561 is a deficient number, since it is larger than the sum of its proper divisors (16420623).

49140561 is a wasteful number, since it uses less digits than its factorization.

49140561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 49140561 is about 7010.0328815206. The cubic root of 49140561 is about 366.2801387756.

The spelling of 49140561 in words is "forty-nine million, one hundred forty thousand, five hundred sixty-one".