49797137061 has 24 divisors (see below), whose sum is σ = 83018717184. Its totient is φ = 28173765600.

The previous prime is 49797137023. The next prime is 49797137083. The reversal of 49797137061 is 16073179794.

49797137061 is a `hidden beast` number, since 497 + 97 + 1 + 3 + 7 + 0 + 61 = 666.

It is not a de Polignac number, because 49797137061 - 2¹⁹ = 49796612773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49797136989 and 49797137007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49797137861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3906661 + ... + 3919386.

It is an arithmetic number, because the mean of its divisors is an integer number (3459113216).

Almost surely, 2^49797137061 is an apocalyptic number.

It is an amenable number.

49797137061 is a deficient number, since it is larger than the sum of its proper divisors (33221580123).

49797137061 is a wasteful number, since it uses less digits than its factorization.

49797137061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7826161 (or 7826158 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 54.

The spelling of 49797137061 in words is "forty-nine billion, seven hundred ninety-seven million, one hundred thirty-seven thousand, sixty-one".