48861 has 12 divisors (see below), whose sum is σ = 72540. Its totient is φ = 31680.

The previous prime is 48859. The next prime is 48869. The reversal of 48861 is 16884.

It can be written as a sum of positive squares in 2 ways, for example, as 4761 + 44100 = 69^2 + 210^2 .

It is not a de Polignac number, because 48861 - 2¹ = 48859 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505 + ... + 593.

It is an arithmetic number, because the mean of its divisors is an integer number (6045).

2⁴⁸⁸⁶¹ is an apocalyptic number.

It is an amenable number.

48861 is a deficient number, since it is larger than the sum of its proper divisors (23679).

48861 is a wasteful number, since it uses less digits than its factorization.

48861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 153 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 48861 is about 221.0452442375. The cubic root of 48861 is about 36.5584227318.

It can be divided in two parts, 48 and 861, that multiplied together give a triangular number (41328 = T₂₈₇).

The spelling of 48861 in words is "forty-eight thousand, eight hundred sixty-one".