51203543524 has 45 divisors (see below), whose sum is σ = 104579640137. Its totient is φ = 21934871952.

The previous prime is 51203543513. The next prime is 51203543543. The reversal of 51203543524 is 42534530215.

The square root of 51203543524 is 226282.

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

It can be written as a sum of positive squares in only one way, i.e., 42717449124 + 8486094400 = 206682^2 + 92120^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51203543524.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 22174482 + ... + 22176790.

Almost surely, 2^51203543524 is an apocalyptic number.

51203543524 is the 226282-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51203543524

51203543524 is an abundant number, since it is smaller than the sum of its proper divisors (53376096613).

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

51203543524 is an frugal number, since it uses more digits than its factorization.

51203543524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650 (or 2318 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 51203543524 in words is "fifty-one billion, two hundred three million, five hundred forty-three thousand, five hundred twenty-four".