48961578556837 has 2 divisors, whose sum is σ = 48961578556838. Its totient is φ = 48961578556836.

The previous prime is 48961578556763. The next prime is 48961578556889. The reversal of 48961578556837 is 73865587516984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35883562303521 + 13078016253316 = 5990289^2 + 3616354^2 .

It is a cyclic number.

It is not a de Polignac number, because 48961578556837 - 2¹¹ = 48961578554789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48961578256837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24480789278418 + 24480789278419.

It is an arithmetic number, because the mean of its divisors is an integer number (24480789278419).

Almost surely, 2^{48961578556837} is an apocalyptic number.

It is an amenable number.

48961578556837 is a deficient number, since it is larger than the sum of its proper divisors (1).

48961578556837 is an equidigital number, since it uses as much as digits as its factorization.

48961578556837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768000, while the sum is 82.

The spelling of 48961578556837 in words is "forty-eight trillion, nine hundred sixty-one billion, five hundred seventy-eight million, five hundred fifty-six thousand, eight hundred thirty-seven".