49172481 has 16 divisors (see below), whose sum is σ = 74400000. Its totient is φ = 32083344.

The previous prime is 49172477. The next prime is 49172491. The reversal of 49172481 is 18427194.

49172481 is a `hidden beast` number, since 4 + 9 + 172 + 481 = 666.

It is not a de Polignac number, because 49172481 - 2² = 49172477 is a prime.

It is a super-2 number, since 2×49172481² = 4835865775390722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49172441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18106 + ... + 20643.

It is an arithmetic number, because the mean of its divisors is an integer number (4650000).

Almost surely, 2^49172481 is an apocalyptic number.

It is an amenable number.

49172481 is a deficient number, since it is larger than the sum of its proper divisors (25227519).

49172481 is a wasteful number, since it uses less digits than its factorization.

49172481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38805 (or 38799 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 49172481 is about 7012.3092487425. The cubic root of 49172481 is about 366.3594292246.

The spelling of 49172481 in words is "forty-nine million, one hundred seventy-two thousand, four hundred eighty-one".