49939836922655 has 8 divisors (see below), whose sum is σ = 60545616723312. Its totient is φ = 39539994594048.

The previous prime is 49939836922649. The next prime is 49939836922681. The reversal of 49939836922655 is 55622963893994.

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 49939836922655 - 2²² = 49939832728351 is a prime.

It is a super-2 number, since 2×49939836922655² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49939836922655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51484367477 + ... + 51484368446.

It is an arithmetic number, because the mean of its divisors is an integer number (7568202090414).

Almost surely, 2^{49939836922655} is an apocalyptic number.

49939836922655 is a deficient number, since it is larger than the sum of its proper divisors (10605779800657).

49939836922655 is a wasteful number, since it uses less digits than its factorization.

49939836922655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102968736025.

The product of its digits is 6802444800, while the sum is 80.

The spelling of 49939836922655 in words is "forty-nine trillion, nine hundred thirty-nine billion, eight hundred thirty-six million, nine hundred twenty-two thousand, six hundred fifty-five".