48645681 has 24 divisors (see below), whose sum is σ = 79426080. Its totient is φ = 26332992.

The previous prime is 48645659. The next prime is 48645703. The reversal of 48645681 is 18654684.

It is an interprime number because it is at equal distance from previous prime (48645659) and next prime (48645703).

It is not a de Polignac number, because 48645681 - 2¹⁰ = 48644657 is a prime.

It is a super-2 number, since 2×48645681² = 4732804559907522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48645631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5916 + ... + 11501.

It is an arithmetic number, because the mean of its divisors is an integer number (3309420).

Almost surely, 2^48645681 is an apocalyptic number.

It is an amenable number.

48645681 is a deficient number, since it is larger than the sum of its proper divisors (30780399).

48645681 is a wasteful number, since it uses less digits than its factorization.

48645681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17453 (or 17446 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 48645681 is about 6974.6455823934. The cubic root of 48645681 is about 365.0464218182.

The spelling of 48645681 in words is "forty-eight million, six hundred forty-five thousand, six hundred eighty-one".