53012299536 has 135 divisors (see below), whose sum is σ = 172645970133. Its totient is φ = 15140845440.

The previous prime is 53012299531. The next prime is 53012299591. The reversal of 53012299536 is 63599221035.

The square root of 53012299536 is 230244.

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

53012299536 is a `hidden beast` number, since 5 + 3 + 0 + 1 + 22 + 99 + 536 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15686059536 + 37326240000 = 125244^2 + 193200^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53012299491 and 53012299500.

It is not an unprimeable number, because it can be changed into a prime (53012299531) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 19339126 + ... + 19341866.

Almost surely, 2^53012299536 is an apocalyptic number.

53012299536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

53012299536 is the 230244-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53012299536

53012299536 is an abundant number, since it is smaller than the sum of its proper divisors (119633670597).

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

53012299536 is an equidigital number, since it uses as much as digits as its factorization.

53012299536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510 (or 2753 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The spelling of 53012299536 in words is "fifty-three billion, twelve million, two hundred ninety-nine thousand, five hundred thirty-six".