49228157 has 8 divisors (see below), whose sum is σ = 53805600. Its totient is φ = 44667760.

The previous prime is 49228147. The next prime is 49228169. The reversal of 49228157 is 75182294.

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

It is a cyclic number.

It is not a de Polignac number, because 49228157 - 2¹⁰ = 49227133 is a prime.

It is a super-2 number, since 2×49228157² = 4846822883233298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49228157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49228117) 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, 2219 + ... + 10167.

It is an arithmetic number, because the mean of its divisors is an integer number (6725700).

Almost surely, 2^49228157 is an apocalyptic number.

It is an amenable number.

49228157 is a deficient number, since it is larger than the sum of its proper divisors (4577443).

49228157 is a wasteful number, since it uses less digits than its factorization.

49228157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8523.

The product of its digits is 40320, while the sum is 38.

The square root of 49228157 is about 7016.2780019039. The cubic root of 49228157 is about 366.4976483641.

The spelling of 49228157 in words is "forty-nine million, two hundred twenty-eight thousand, one hundred fifty-seven".