51352424372 has 6 divisors (see below), whose sum is σ = 89866742658. Its totient is φ = 25676212184.

The previous prime is 51352424353. The next prime is 51352424413. The reversal of 51352424372 is 27342425315.

It can be written as a sum of positive squares in only one way, i.e., 33630424996 + 17721999376 = 183386^2 + 133124^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6419053043 + ... + 6419053050.

It is an arithmetic number, because the mean of its divisors is an integer number (14977790443).

Almost surely, 2^51352424372 is an apocalyptic number.

It is an amenable number.

51352424372 is a deficient number, since it is larger than the sum of its proper divisors (38514318286).

51352424372 is a wasteful number, since it uses less digits than its factorization.

51352424372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12838106097 (or 12838106095 counting only the distinct ones).

The product of its digits is 201600, while the sum is 38.

Adding to 51352424372 its reverse (27342425315), we get a palindrome (78694849687).

The spelling of 51352424372 in words is "fifty-one billion, three hundred fifty-two million, four hundred twenty-four thousand, three hundred seventy-two".