51406546132 has 12 divisors (see below), whose sum is σ = 90114716160. Its totient is φ = 25659484376.

The previous prime is 51406546117. The next prime is 51406546133. The reversal of 51406546132 is 23164560415.

It is a super-2 number, since 2×51406546132² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51406546091 and 51406546100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51406546133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10944532 + ... + 10949227.

It is an arithmetic number, because the mean of its divisors is an integer number (7509559680).

Almost surely, 2^51406546132 is an apocalyptic number.

It is an amenable number.

51406546132 is a deficient number, since it is larger than the sum of its proper divisors (38708170028).

51406546132 is a wasteful number, since it uses less digits than its factorization.

51406546132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21894350 (or 21894348 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 51406546132 in words is "fifty-one billion, four hundred six million, five hundred forty-six thousand, one hundred thirty-two".