49955399081 has 8 divisors (see below), whose sum is σ = 58419603264. Its totient is φ = 41823124560.

The previous prime is 49955399071. The next prime is 49955399099. The reversal of 49955399081 is 18099355994.

It is a happy number.

49955399081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 49955399081 - 2¹⁸ = 49955136937 is a prime.

It is a super-2 number, since 2×49955399081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49955399071) 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, 82982090 + ... + 82982691.

It is an arithmetic number, because the mean of its divisors is an integer number (7302450408).

Almost surely, 2^49955399081 is an apocalyptic number.

It is an amenable number.

49955399081 is a deficient number, since it is larger than the sum of its proper divisors (8464204183).

49955399081 is a wasteful number, since it uses less digits than its factorization.

49955399081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165964831.

The product of its (nonzero) digits is 15746400, while the sum is 62.

The spelling of 49955399081 in words is "forty-nine billion, nine hundred fifty-five million, three hundred ninety-nine thousand, eighty-one".