49448157 has 8 divisors (see below), whose sum is σ = 71924640. Its totient is φ = 29968560.

The previous prime is 49448153. The next prime is 49448159. The reversal of 49448157 is 75184494.

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

It is not a de Polignac number, because 49448157 - 2² = 49448153 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49448153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749182 + ... + 749247.

It is an arithmetic number, because the mean of its divisors is an integer number (8990580).

Almost surely, 2^49448157 is an apocalyptic number.

It is an amenable number.

49448157 is a deficient number, since it is larger than the sum of its proper divisors (22476483).

49448157 is a wasteful number, since it uses less digits than its factorization.

49448157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498443.

The product of its digits is 161280, while the sum is 42.

The square root of 49448157 is about 7031.9383529721. The cubic root of 49448157 is about 367.0427948423.

The spelling of 49448157 in words is "forty-nine million, four hundred forty-eight thousand, one hundred fifty-seven".