51132020552 has 16 divisors (see below), whose sum is σ = 96803341440. Its totient is φ = 25317796176.

The previous prime is 51132020539. The next prime is 51132020707. The reversal of 51132020552 is 25502023115.

It is a super-2 number, since 2×51132020552² (a number of 22 digits) contains 22 as substring.

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, 31025888 + ... + 31027535.

It is an arithmetic number, because the mean of its divisors is an integer number (6050208840).

Almost surely, 2^51132020552 is an apocalyptic number.

It is an amenable number.

51132020552 is a deficient number, since it is larger than the sum of its proper divisors (45671320888).

51132020552 is a wasteful number, since it uses less digits than its factorization.

51132020552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62053532 (or 62053528 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 51132020552 its reverse (25502023115), we get a palindrome (76634043667).

The spelling of 51132020552 in words is "fifty-one billion, one hundred thirty-two million, twenty thousand, five hundred fifty-two".