49320172 has 12 divisors (see below), whose sum is σ = 94156776. Its totient is φ = 22418240.

The previous prime is 49320169. The next prime is 49320199. The reversal of 49320172 is 27102394.

It is a super-2 number, since 2×49320172² = 4864958732219168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49320172.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560413 + ... + 560500.

It is an arithmetic number, because the mean of its divisors is an integer number (7846398).

Almost surely, 2^49320172 is an apocalyptic number.

It is an amenable number.

49320172 is a deficient number, since it is larger than the sum of its proper divisors (44836604).

49320172 is a wasteful number, since it uses less digits than its factorization.

49320172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120928 (or 1120926 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 49320172 is about 7022.8321922142. The cubic root of 49320172 is about 366.7258530720.

The spelling of 49320172 in words is "forty-nine million, three hundred twenty thousand, one hundred seventy-two".