48509197 has 4 divisors (see below), whose sum is σ = 52919136. Its totient is φ = 44099260.

The previous prime is 48509161. The next prime is 48509233. The reversal of 48509197 is 79190584.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (48509161) and next prime (48509233).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48509197 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 (48509107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2204953 + ... + 2204974.

It is an arithmetic number, because the mean of its divisors is an integer number (13229784).

Almost surely, 2^48509197 is an apocalyptic number.

It is an amenable number.

48509197 is a deficient number, since it is larger than the sum of its proper divisors (4409939).

48509197 is a wasteful number, since it uses less digits than its factorization.

48509197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4409938.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 48509197 is about 6964.8544134102. The cubic root of 48509197 is about 364.7047014209.

The spelling of 48509197 in words is "forty-eight million, five hundred nine thousand, one hundred ninety-seven".