48209457 has 4 divisors (see below), whose sum is σ = 64279280. Its totient is φ = 32139636.

The previous prime is 48209453. The next prime is 48209461. The reversal of 48209457 is 75490284.

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 (48209453) and next prime (48209461).

It is not a de Polignac number, because 48209457 - 2² = 48209453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48209453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8034907 + ... + 8034912.

It is an arithmetic number, because the mean of its divisors is an integer number (16069820).

Almost surely, 2^48209457 is an apocalyptic number.

It is an amenable number.

48209457 is a deficient number, since it is larger than the sum of its proper divisors (16069823).

48209457 is a wasteful number, since it uses less digits than its factorization.

48209457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16069822.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 48209457 is about 6943.3030324191. The cubic root of 48209457 is about 363.9519746042.

The spelling of 48209457 in words is "forty-eight million, two hundred nine thousand, four hundred fifty-seven".