49971172 has 6 divisors (see below), whose sum is σ = 87449558. Its totient is φ = 24985584.

The previous prime is 49971167. The next prime is 49971179. The reversal of 49971172 is 27117994.

It can be written as a sum of positive squares in only one way, i.e., 44836416 + 5134756 = 6696^2 + 2266^2 .

It is not an unprimeable number, because it can be changed into a prime (49971179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6246393 + ... + 6246400.

Almost surely, 2^49971172 is an apocalyptic number.

It is an amenable number.

49971172 is a deficient number, since it is larger than the sum of its proper divisors (37478386).

49971172 is a wasteful number, since it uses less digits than its factorization.

49971172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12492797 (or 12492795 counting only the distinct ones).

The product of its digits is 31752, while the sum is 40.

The square root of 49971172 is about 7069.0290705301. The cubic root of 49971172 is about 368.3323340791.

The spelling of 49971172 in words is "forty-nine million, nine hundred seventy-one thousand, one hundred seventy-two".