51471523382572 has 24 divisors (see below), whose sum is σ = 91023943781456. Its totient is φ = 25464799899648.

The previous prime is 51471523382557. The next prime is 51471523382593. The reversal of 51471523382572 is 27528332517415.

It is a super-2 number, since 2×51471523382572² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12946338 + ... + 16448425.

Almost surely, 2^{51471523382572} is an apocalyptic number.

It is an amenable number.

51471523382572 is a deficient number, since it is larger than the sum of its proper divisors (39552420398884).

51471523382572 is a wasteful number, since it uses less digits than its factorization.

51471523382572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29399377 (or 29399375 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 55.

Adding to 51471523382572 its reverse (27528332517415), we get a palindrome (78999855899987).

The spelling of 51471523382572 in words is "fifty-one trillion, four hundred seventy-one billion, five hundred twenty-three million, three hundred eighty-two thousand, five hundred seventy-two".