52378285338 has 40 divisors (see below), whose sum is σ = 117388415232. Its totient is φ = 17456117544.

The previous prime is 52378285279. The next prime is 52378285343. The reversal of 52378285338 is 83358287325.

It is a happy number.

52378285338 is a `hidden beast` number, since 5 + 23 + 7 + 8 + 285 + 338 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 916231 + ... + 971717.

Almost surely, 2^52378285338 is an apocalyptic number.

52378285338 is an abundant number, since it is smaller than the sum of its proper divisors (65010129894).

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

52378285338 is a wasteful number, since it uses less digits than its factorization.

52378285338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61328 (or 61319 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 52378285338 in words is "fifty-two billion, three hundred seventy-eight million, two hundred eighty-five thousand, three hundred thirty-eight".