51320154324 has 12 divisors (see below), whose sum is σ = 119747026784. Its totient is φ = 17106718104.

The previous prime is 51320154287. The next prime is 51320154337. The reversal of 51320154324 is 42345102315.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 51320154291 and 51320154300.

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, 2138339752 + ... + 2138339775.

Almost surely, 2^51320154324 is an apocalyptic number.

It is an amenable number.

51320154324 is an abundant number, since it is smaller than the sum of its proper divisors (68426872460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51320154324 is a wasteful number, since it uses less digits than its factorization.

51320154324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276679534 (or 4276679532 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 51320154324 its reverse (42345102315), we get a palindrome (93665256639).

The spelling of 51320154324 in words is "fifty-one billion, three hundred twenty million, one hundred fifty-four thousand, three hundred twenty-four".