49056181 has 2 divisors, whose sum is σ = 49056182. Its totient is φ = 49056180.

The previous prime is 49056173. The next prime is 49056211. The reversal of 49056181 is 18165094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40259025 + 8797156 = 6345^2 + 2966^2 .

It is a cyclic number.

It is not a de Polignac number, because 49056181 - 2³ = 49056173 is a prime.

It is a super-3 number, since 3×49056181³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49056121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24528090 + 24528091.

It is an arithmetic number, because the mean of its divisors is an integer number (24528091).

Almost surely, 2^49056181 is an apocalyptic number.

It is an amenable number.

49056181 is a deficient number, since it is larger than the sum of its proper divisors (1).

49056181 is an equidigital number, since it uses as much as digits as its factorization.

49056181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 49056181 is about 7004.0117789735. The cubic root of 49056181 is about 366.0703702768.

The spelling of 49056181 in words is "forty-nine million, fifty-six thousand, one hundred eighty-one".