48866257 has 4 divisors (see below), whose sum is σ = 53308656. Its totient is φ = 44423860.

The previous prime is 48866239. The next prime is 48866263. The reversal of 48866257 is 75266884.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48866257 is a prime.

It is a super-2 number, since 2×48866257² = 4775822146380098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48866227) 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, 2221183 + ... + 2221204.

It is an arithmetic number, because the mean of its divisors is an integer number (13327164).

Almost surely, 2^48866257 is an apocalyptic number.

It is an amenable number.

48866257 is a deficient number, since it is larger than the sum of its proper divisors (4442399).

48866257 is a wasteful number, since it uses less digits than its factorization.

48866257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4442398.

The product of its digits is 645120, while the sum is 46.

The square root of 48866257 is about 6990.4404010048. The cubic root of 48866257 is about 365.5973380295.

The spelling of 48866257 in words is "forty-eight million, eight hundred sixty-six thousand, two hundred fifty-seven".