51423310552 has 8 divisors (see below), whose sum is σ = 96418707300. Its totient is φ = 25711655272.

The previous prime is 51423310517. The next prime is 51423310571. The reversal of 51423310552 is 25501332415.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3213956902 + ... + 3213956917.

Almost surely, 2^51423310552 is an apocalyptic number.

It is an amenable number.

51423310552 is a deficient number, since it is larger than the sum of its proper divisors (44995396748).

51423310552 is a wasteful number, since it uses less digits than its factorization.

51423310552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6427913825 (or 6427913821 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 51423310552 its reverse (25501332415), we get a palindrome (76924642967).

The spelling of 51423310552 in words is "fifty-one billion, four hundred twenty-three million, three hundred ten thousand, five hundred fifty-two".