49177054081 has 9 divisors (see below), whose sum is σ = 49682212419. Its totient is φ = 48676987536.

The previous prime is 49177054067. The next prime is 49177054093. The reversal of 49177054081 is 18045077194.

It is a happy number.

The square root of 49177054081 is 221759.

It is a perfect power (a square), and thus also a powerful number.

49177054081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3630665025 + 45546389056 = 60255^2 + 213416^2 .

It is not a de Polignac number, because 49177054081 - 2⁵ = 49177054049 is a prime.

It is a super-2 number, since 2×49177054081² (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 (49177054051) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 22840101 + ... + 22842253.

Almost surely, 2^49177054081 is an apocalyptic number.

49177054081 is the 221759-th square number.

49177054081 is the 110880-th centered octagonal number.

It is an amenable number.

49177054081 is a deficient number, since it is larger than the sum of its proper divisors (505158338).

49177054081 is an frugal number, since it uses more digits than its factorization.

49177054081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4512 (or 2256 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 46.

The spelling of 49177054081 in words is "forty-nine billion, one hundred seventy-seven million, fifty-four thousand, eighty-one".