537540228052200 has 72 divisors (see below), whose sum is σ = 1805239265881350. Its totient is φ = 143344060813440.

The previous prime is 537540228052067. The next prime is 537540228052249. The reversal of 537540228052200 is 2250822045735.

537540228052200 is a `hidden beast` number, since 5 + 3 + 7 + 5 + 40 + 2 + 2 + 80 + 522 + 0 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 219807963150084 + 317732264902116 = 14825922^2 + 17825046^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×537540228052200² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 149316728215 + ... + 149316731814.

Almost surely, 2^{537540228052200} is an apocalyptic number.

537540228052200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

537540228052200 is an abundant number, since it is smaller than the sum of its proper divisors (1267699037829150).

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

537540228052200 is a wasteful number, since it uses less digits than its factorization.

537540228052200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298633460051 (or 298633460039 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 45.

The spelling of 537540228052200 in words is "five hundred thirty-seven trillion, five hundred forty billion, two hundred twenty-eight million, fifty-two thousand, two hundred".