57521536900 has 18 divisors (see below), whose sum is σ = 124821735290. Its totient is φ = 23008614720.

The previous prime is 57521536883. The next prime is 57521536903. The reversal of 57521536900 is 963512575.

It can be written as a sum of positive squares in 3 ways, for example, as 28047616 + 57493489284 = 5296^2 + 239778^2 .

It is a super-2 number, since 2×57521536900² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57521536903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 287607585 + ... + 287607784.

Almost surely, 2^57521536900 is an apocalyptic number.

57521536900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57521536900 is an abundant number, since it is smaller than the sum of its proper divisors (67300198390).

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

57521536900 is a wasteful number, since it uses less digits than its factorization.

57521536900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575215383 (or 575215376 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 43.

The spelling of 57521536900 in words is "fifty-seven billion, five hundred twenty-one million, five hundred thirty-six thousand, nine hundred".