48897257 has 4 divisors (see below), whose sum is σ = 48922836. Its totient is φ = 48871680.

The previous prime is 48897221. The next prime is 48897263. The reversal of 48897257 is 75279884.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29041321 + 19855936 = 5389^2 + 4456^2 .

It is a cyclic number.

It is not a de Polignac number, because 48897257 - 2⁶ = 48897193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48897157) 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, 9668 + ... + 13829.

It is an arithmetic number, because the mean of its divisors is an integer number (12230709).

Almost surely, 2^48897257 is an apocalyptic number.

It is an amenable number.

48897257 is a deficient number, since it is larger than the sum of its proper divisors (25579).

48897257 is a wasteful number, since it uses less digits than its factorization.

48897257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25578.

The product of its digits is 1128960, while the sum is 50.

The square root of 48897257 is about 6992.6573632633. The cubic root of 48897257 is about 365.6746314586.

The spelling of 48897257 in words is "forty-eight million, eight hundred ninety-seven thousand, two hundred fifty-seven".