51203544544 has 12 divisors (see below), whose sum is σ = 100806978384. Its totient is φ = 25601772256.

The previous prime is 51203544527. The next prime is 51203544577. The reversal of 51203544544 is 44544530215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800055352 + ... + 800055415.

It is an arithmetic number, because the mean of its divisors is an integer number (8400581532).

Almost surely, 2^51203544544 is an apocalyptic number.

It is an amenable number.

51203544544 is a deficient number, since it is larger than the sum of its proper divisors (49603433840).

51203544544 is a wasteful number, since it uses less digits than its factorization.

51203544544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600110777 (or 1600110769 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 51203544544 in words is "fifty-one billion, two hundred three million, five hundred forty-four thousand, five hundred forty-four".