48637281 has 24 divisors (see below), whose sum is σ = 81468352. Its totient is φ = 25264800.

The previous prime is 48637279. The next prime is 48637297. The reversal of 48637281 is 18273684.

It is not a de Polignac number, because 48637281 - 2¹ = 48637279 is a prime.

It is a super-2 number, since 2×48637281² = 4731170206145922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48637231) 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, 7030 + ... + 12111.

Almost surely, 2^48637281 is an apocalyptic number.

It is an amenable number.

48637281 is a deficient number, since it is larger than the sum of its proper divisors (32831071).

48637281 is a wasteful number, since it uses less digits than its factorization.

48637281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19173 (or 19162 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 48637281 is about 6974.0433752594. The cubic root of 48637281 is about 365.0254088773.

The spelling of 48637281 in words is "forty-eight million, six hundred thirty-seven thousand, two hundred eighty-one".