52736631378 has 16 divisors (see below), whose sum is σ = 105708175200. Its totient is φ = 17539725056.

The previous prime is 52736631377. The next prime is 52736631407. The reversal of 52736631378 is 87313663725.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 52736631378.

It is not an unprimeable number, because it can be changed into a prime (52736631377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9785100 + ... + 9790487.

It is an arithmetic number, because the mean of its divisors is an integer number (6606760950).

Almost surely, 2^52736631378 is an apocalyptic number.

52736631378 is an abundant number, since it is smaller than the sum of its proper divisors (52971543822).

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

52736631378 is a wasteful number, since it uses less digits than its factorization.

52736631378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19576041.

The product of its digits is 3810240, while the sum is 51.

The spelling of 52736631378 in words is "fifty-two billion, seven hundred thirty-six million, six hundred thirty-one thousand, three hundred seventy-eight".