48387561 has 16 divisors (see below), whose sum is σ = 67516416. Its totient is φ = 30766736.

The previous prime is 48387553. The next prime is 48387571. The reversal of 48387561 is 16578384.

It is a cyclic number.

It is not a de Polignac number, because 48387561 - 2³ = 48387553 is a prime.

It is a Curzon 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, 29776 + ... + 31358.

It is an arithmetic number, because the mean of its divisors is an integer number (4219776).

Almost surely, 2^48387561 is an apocalyptic number.

It is an amenable number.

48387561 is a deficient number, since it is larger than the sum of its proper divisors (19128855).

48387561 is a wasteful number, since it uses less digits than its factorization.

48387561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052.

The product of its digits is 161280, while the sum is 42.

The square root of 48387561 is about 6956.1168046547. The cubic root of 48387561 is about 364.3996159671.

The spelling of 48387561 in words is "forty-eight million, three hundred eighty-seven thousand, five hundred sixty-one".