53878 has 16 divisors (see below), whose sum is σ = 92160. Its totient is φ = 23400.

The previous prime is 53861. The next prime is 53881. The reversal of 53878 is 87835.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643 + ... + 721.

It is an arithmetic number, because the mean of its divisors is an integer number (5760).

2⁵³⁸⁷⁸ is an apocalyptic number.

53878 is a deficient number, since it is larger than the sum of its proper divisors (38282).

53878 is a wasteful number, since it uses less digits than its factorization.

53878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123.

The product of its digits is 6720, while the sum is 31.

The square root of 53878 is about 232.1163501350. The cubic root of 53878 is about 37.7691451504.

It can be divided in two parts, 538 and 78, that added together give a palindrome (616).

The spelling of 53878 in words is "fifty-three thousand, eight hundred seventy-eight".