51544054052 has 12 divisors (see below), whose sum is σ = 90294427020. Its totient is φ = 25745646336.

The previous prime is 51544054007. The next prime is 51544054117. The reversal of 51544054052 is 25045044515.

It can be written as a sum of positive squares in 2 ways, for example, as 27857612836 + 23686441216 = 166906^2 + 153904^2 .

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, 6590777 + ... + 6598592.

It is an arithmetic number, because the mean of its divisors is an integer number (7524535585).

Almost surely, 2^51544054052 is an apocalyptic number.

It is an amenable number.

51544054052 is a deficient number, since it is larger than the sum of its proper divisors (38750372968).

51544054052 is a wasteful number, since it uses less digits than its factorization.

51544054052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13190350 (or 13190348 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

Adding to 51544054052 its reverse (25045044515), we get a palindrome (76589098567).

The spelling of 51544054052 in words is "fifty-one billion, five hundred forty-four million, fifty-four thousand, fifty-two".