53378 has 8 divisors (see below), whose sum is σ = 86268. Its totient is φ = 24624.

The previous prime is 53377. The next prime is 53381. The reversal of 53378 is 87335.

It can be written as a sum of positive squares in 2 ways, for example, as 51529 + 1849 = 227^2 + 43^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 2053 = 53378 / (5 + 3 + 3 + 7 + 8).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 53378.

It is not an unprimeable number, because it can be changed into a prime (53377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001 + ... + 1052.

2⁵³³⁷⁸ is an apocalyptic number.

53378 is a deficient number, since it is larger than the sum of its proper divisors (32890).

53378 is a wasteful number, since it uses less digits than its factorization.

53378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068.

The product of its digits is 2520, while the sum is 26.

The square root of 53378 is about 231.0367936066. The cubic root of 53378 is about 37.6519464587.

The spelling of 53378 in words is "fifty-three thousand, three hundred seventy-eight".