48387591 has 16 divisors (see below), whose sum is σ = 81926400. Its totient is φ = 27649944.

The previous prime is 48387587. The next prime is 48387637. The reversal of 48387591 is 19578384.

48387591 is a `hidden beast` number, since 483 + 87 + 5 + 91 = 666.

It is not a de Polignac number, because 48387591 - 2² = 48387587 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48387511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127821 + ... + 128198.

It is an arithmetic number, because the mean of its divisors is an integer number (5120400).

Almost surely, 2^48387591 is an apocalyptic number.

48387591 is a deficient number, since it is larger than the sum of its proper divisors (33538809).

48387591 is a wasteful number, since it uses less digits than its factorization.

48387591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256035 (or 256029 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 48387591 is about 6956.1189610299. The cubic root of 48387591 is about 364.3996912756.

The spelling of 48387591 in words is "forty-eight million, three hundred eighty-seven thousand, five hundred ninety-one".