52251306364552 has 16 divisors (see below), whose sum is σ = 98023843845900. Its totient is φ = 26111614672320.

The previous prime is 52251306364531. The next prime is 52251306364553. The reversal of 52251306364552 is 25546360315225.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30861735851556 + 21389570512996 = 5555334^2 + 4624886^2 .

It is a super-4 number, since 4×52251306364552⁴ (a number of 56 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52251306364496 and 52251306364505.

It is not an unprimeable number, because it can be changed into a prime (52251306364553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1754797927 + ... + 1754827702.

Almost surely, 2^{52251306364552} is an apocalyptic number.

It is an amenable number.

52251306364552 is a deficient number, since it is larger than the sum of its proper divisors (45772537481348).

52251306364552 is a wasteful number, since it uses less digits than its factorization.

52251306364552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509627496 (or 3509627492 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 49.

Adding to 52251306364552 its reverse (25546360315225), we get a palindrome (77797666679777).

The spelling of 52251306364552 in words is "fifty-two trillion, two hundred fifty-one billion, three hundred six million, three hundred sixty-four thousand, five hundred fifty-two".