53107202500 has 135 divisors (see below), whose sum is σ = 127957720891. Its totient is φ = 19265620000.

The previous prime is 53107202431. The next prime is 53107202531. The reversal of 53107202500 is 520270135.

The square root of 53107202500 is 230450.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4163604676 + 48943597824 = 64526^2 + 221232^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 126747291 + ... + 126747709.

Almost surely, 2^53107202500 is an apocalyptic number.

53107202500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53107202500 is the 230450-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53107202500

53107202500 is an abundant number, since it is smaller than the sum of its proper divisors (74850518391).

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

53107202500 is an equidigital number, since it uses as much as digits as its factorization.

53107202500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

Multiplying 53107202500 by its sum of digits (25), we get a square (1327680062500 = 1152250²).

53107202500 divided by its sum of digits (25) gives a square (2124288100 = 46090²).

Adding to 53107202500 its reverse (520270135), we get a palindrome (53627472635).

The spelling of 53107202500 in words is "fifty-three billion, one hundred seven million, two hundred two thousand, five hundred".