49879961 has 16 divisors (see below), whose sum is σ = 52876800. Its totient is φ = 46992000.

The previous prime is 49879937. The next prime is 49879967. The reversal of 49879961 is 16997894.

It is a happy number.

It is not a de Polignac number, because 49879961 - 2⁶ = 49879897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49879967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278570 + ... + 278748.

It is an arithmetic number, because the mean of its divisors is an integer number (3304800).

Almost surely, 2^49879961 is an apocalyptic number.

It is an amenable number.

49879961 is a deficient number, since it is larger than the sum of its proper divisors (2996839).

49879961 is a wasteful number, since it uses less digits than its factorization.

49879961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400.

The product of its digits is 979776, while the sum is 53.

The square root of 49879961 is about 7062.5746721716. The cubic root of 49879961 is about 368.1080953129.

The spelling of 49879961 in words is "forty-nine million, eight hundred seventy-nine thousand, nine hundred sixty-one".