52451325440452 has 12 divisors (see below), whose sum is σ = 91793698730496. Its totient is φ = 26224554374600.

The previous prime is 52451325440429. The next prime is 52451325440473. The reversal of 52451325440452 is 25404452315425.

It is a super-2 number, since 2×52451325440452² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276979924 + ... + 277169227.

It is an arithmetic number, because the mean of its divisors is an integer number (7649474894208).

Almost surely, 2^{52451325440452} is an apocalyptic number.

It is an amenable number.

52451325440452 is a deficient number, since it is larger than the sum of its proper divisors (39342373290044).

52451325440452 is a wasteful number, since it uses less digits than its factorization.

52451325440452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554172818 (or 554172816 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 46.

Adding to 52451325440452 its reverse (25404452315425), we get a palindrome (77855777755877).

The spelling of 52451325440452 in words is "fifty-two trillion, four hundred fifty-one billion, three hundred twenty-five million, four hundred forty thousand, four hundred fifty-two".