52250223400 has 48 divisors (see below), whose sum is σ = 124765078140. Its totient is φ = 20335219200.

The previous prime is 52250223391. The next prime is 52250223419. The reversal of 52250223400 is 432205225.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 37961846244 + 14288377156 = 194838^2 + 119534^2 .

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 11 ways as a sum of consecutive naturals, for example, 3523021 + ... + 3537820.

Almost surely, 2^52250223400 is an apocalyptic number.

52250223400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52250223400 is an abundant number, since it is smaller than the sum of its proper divisors (72514854740).

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

52250223400 is a wasteful number, since it uses less digits than its factorization.

52250223400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7060894 (or 7060885 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 52250223400 its reverse (432205225), we get a palindrome (52682428625).

The spelling of 52250223400 in words is "fifty-two billion, two hundred fifty million, two hundred twenty-three thousand, four hundred".