2053443078 has 48 divisors (see below), whose sum is σ = 4637833200. Its totient is φ = 655811520.

The previous prime is 2053442999. The next prime is 2053443089. The reversal of 2053443078 is 8703443502.

It is a happy number.

2053443078 is a `hidden beast` number, since 2 + 0 + 5 + 344 + 307 + 8 = 666.

It is a super-2 number, since 2×2053443078² = 8433256949172228168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53368 + ... + 83396.

It is an arithmetic number, because the mean of its divisors is an integer number (96621525).

Almost surely, 2^2053443078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2053443078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2318916600).

2053443078 is an abundant number, since it is smaller than the sum of its proper divisors (2584390122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2053443078 is a wasteful number, since it uses less digits than its factorization.

2053443078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30197 (or 30194 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 2053443078 is about 45314.9321747258. The cubic root of 2053443078 is about 1271.0448916252.

The spelling of 2053443078 in words is "two billion, fifty-three million, four hundred forty-three thousand, seventy-eight".