49172959 has 8 divisors (see below), whose sum is σ = 56798928. Its totient is φ = 42072960.

The previous prime is 49172947. The next prime is 49172989. The reversal of 49172959 is 95927194.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49172959 - 2⁵ = 49172927 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 (49172909) 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 7 ways as a sum of consecutive naturals, for example, 131292 + ... + 131665.

It is an arithmetic number, because the mean of its divisors is an integer number (7099866).

Almost surely, 2^49172959 is an apocalyptic number.

49172959 is a deficient number, since it is larger than the sum of its proper divisors (7625969).

49172959 is a wasteful number, since it uses less digits than its factorization.

49172959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262985.

The product of its digits is 204120, while the sum is 46.

The square root of 49172959 is about 7012.3433315832. The cubic root of 49172959 is about 366.3606163333.

The spelling of 49172959 in words is "forty-nine million, one hundred seventy-two thousand, nine hundred fifty-nine".