78053 has 4 divisors (see below), whose sum is σ = 79020. Its totient is φ = 77088.

The previous prime is 78049. The next prime is 78059. The reversal of 78053 is 35087.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35087 = 13 ⋅2699.

It can be written as a sum of positive squares in 2 ways, for example, as 40804 + 37249 = 202^2 + 193^2 .

It is a cyclic number.

It is not a de Polignac number, because 78053 - 2² = 78049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350 + ... + 527.

It is an arithmetic number, because the mean of its divisors is an integer number (19755).

2⁷⁸⁰⁵³ is an apocalyptic number.

It is an amenable number.

78053 is a deficient number, since it is larger than the sum of its proper divisors (967).

78053 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 11 representation: 78053 = (53708)₁₁.

78053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 78053 is about 279.3796699833. The cubic root of 78053 is about 42.7362620152.

The spelling of 78053 in words is "seventy-eight thousand, fifty-three".