51354344504 has 16 divisors (see below), whose sum is σ = 97282071600. Its totient is φ = 25412458752.

The previous prime is 51354344479. The next prime is 51354344527. The reversal of 51354344504 is 40544345315.

It is a congruent number.

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, 33088364 + ... + 33089915.

It is an arithmetic number, because the mean of its divisors is an integer number (6080129475).

Almost surely, 2^51354344504 is an apocalyptic number.

It is an amenable number.

51354344504 is a deficient number, since it is larger than the sum of its proper divisors (45927727096).

51354344504 is a wasteful number, since it uses less digits than its factorization.

51354344504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66178382 (or 66178378 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 51354344504 its reverse (40544345315), we get a palindrome (91898689819).

The spelling of 51354344504 in words is "fifty-one billion, three hundred fifty-four million, three hundred forty-four thousand, five hundred four".