52729018384 has 135 divisors (see below), whose sum is σ = 121766445567. Its totient is φ = 22055310144.

The previous prime is 52729018373. The next prime is 52729018427. The reversal of 52729018384 is 48381092725.

The square root of 52729018384 is 229628.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 379345387 + ... + 379345525.

Almost surely, 2^52729018384 is an apocalyptic number.

52729018384 is the 229628-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52729018384

52729018384 is an abundant number, since it is smaller than the sum of its proper divisors (69037427183).

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

52729018384 is an equidigital number, since it uses as much as digits as its factorization.

52729018384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

Multiplying 52729018384 by its sum of digits (49), we get a square (2583721900816 = 1607396²).

52729018384 divided by its sum of digits (49) gives a square (1076102416 = 32804²).

The spelling of 52729018384 in words is "fifty-two billion, seven hundred twenty-nine million, eighteen thousand, three hundred eighty-four".