51550143452 has 12 divisors (see below), whose sum is σ = 92413062336. Its totient is φ = 25146411360.

The previous prime is 51550143451. The next prime is 51550143467. The reversal of 51550143452 is 25434105515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51550143451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157164908 + ... + 157165235.

It is an arithmetic number, because the mean of its divisors is an integer number (7701088528).

Almost surely, 2^51550143452 is an apocalyptic number.

It is an amenable number.

51550143452 is a deficient number, since it is larger than the sum of its proper divisors (40862918884).

51550143452 is a wasteful number, since it uses less digits than its factorization.

51550143452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314330188 (or 314330186 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 51550143452 its reverse (25434105515), we get a palindrome (76984248967).

The spelling of 51550143452 in words is "fifty-one billion, five hundred fifty million, one hundred forty-three thousand, four hundred fifty-two".