51443203154 has 16 divisors (see below), whose sum is σ = 90571818048. Its totient is φ = 21451219632.

The previous prime is 51443203127. The next prime is 51443203169. The reversal of 51443203154 is 45130234415.

It is a self number, because there is not a number n which added to its sum of digits gives 51443203154.

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 in 7 ways as a sum of consecutive naturals, for example, 49655084 + ... + 49656119.

It is an arithmetic number, because the mean of its divisors is an integer number (5660738628).

Almost surely, 2^51443203154 is an apocalyptic number.

51443203154 is a deficient number, since it is larger than the sum of its proper divisors (39128614894).

51443203154 is a wasteful number, since it uses less digits than its factorization.

51443203154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99311249.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 51443203154 its reverse (45130234415), we get a palindrome (96573437569).

The spelling of 51443203154 in words is "fifty-one billion, four hundred forty-three million, two hundred three thousand, one hundred fifty-four".