51530352413 has 8 divisors (see below), whose sum is σ = 51770008320. Its totient is φ = 51291203040.

The previous prime is 51530352403. The next prime is 51530352449. The reversal of 51530352413 is 31425303515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51530352413 - 2²⁶ = 51463243549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51530352413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51530352403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78068 + ... + 330386.

It is an arithmetic number, because the mean of its divisors is an integer number (6471251040).

Almost surely, 2^51530352413 is an apocalyptic number.

It is an amenable number.

51530352413 is a deficient number, since it is larger than the sum of its proper divisors (239655907).

51530352413 is a wasteful number, since it uses less digits than its factorization.

51530352413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253267.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 51530352413 its reverse (31425303515), we get a palindrome (82955655928).

The spelling of 51530352413 in words is "fifty-one billion, five hundred thirty million, three hundred fifty-two thousand, four hundred thirteen".