48509397 has 12 divisors (see below), whose sum is σ = 70957120. Its totient is φ = 31929768.

The previous prime is 48509393. The next prime is 48509429. The reversal of 48509397 is 79390584.

48509397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 48509397 - 2² = 48509393 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 (48509393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33403 + ... + 34824.

Almost surely, 2^48509397 is an apocalyptic number.

It is an amenable number.

48509397 is a deficient number, since it is larger than the sum of its proper divisors (22447723).

48509397 is a wasteful number, since it uses less digits than its factorization.

48509397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68312 (or 68309 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 48509397 is about 6964.8687711973. The cubic root of 48509397 is about 364.7052026374.

The spelling of 48509397 in words is "forty-eight million, five hundred nine thousand, three hundred ninety-seven".