49172893 has 48 divisors (see below), whose sum is σ = 68031360. Its totient is φ = 34473600.

The previous prime is 49172881. The next prime is 49172897. The reversal of 49172893 is 39827194.

It is not a de Polignac number, because 49172893 - 2⁵ = 49172861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49172897) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 806083 + ... + 806143.

It is an arithmetic number, because the mean of its divisors is an integer number (1417320).

Almost surely, 2^49172893 is an apocalyptic number.

It is an amenable number.

49172893 is a deficient number, since it is larger than the sum of its proper divisors (18858467).

49172893 is a wasteful number, since it uses less digits than its factorization.

49172893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 127 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 49172893 is about 7012.3386255942. The cubic root of 49172893 is about 366.3604524234.

The spelling of 49172893 in words is "forty-nine million, one hundred seventy-two thousand, eight hundred ninety-three".