49265181 has 12 divisors (see below), whose sum is σ = 81326752. Its totient is φ = 28151496.

The previous prime is 49265179. The next prime is 49265197. The reversal of 49265181 is 18156294.

It is not a de Polignac number, because 49265181 - 2¹ = 49265179 is a prime.

It is a super-2 number, since 2×49265181² = 4854116117925522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49265131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390931 + ... + 391056.

Almost surely, 2^49265181 is an apocalyptic number.

It is an amenable number.

49265181 is a deficient number, since it is larger than the sum of its proper divisors (32061571).

49265181 is a wasteful number, since it uses less digits than its factorization.

49265181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782000 (or 781997 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 49265181 is about 7018.9159419386. The cubic root of 49265181 is about 366.5895050671.

The spelling of 49265181 in words is "forty-nine million, two hundred sixty-five thousand, one hundred eighty-one".