51613523351 has 8 divisors (see below), whose sum is σ = 58509257520. Its totient is φ = 45135712512.

The previous prime is 51613523347. The next prime is 51613523393. The reversal of 51613523351 is 15332531615.

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 51613523351 - 2² = 51613523347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51613523321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104480570 + ... + 104481063.

It is an arithmetic number, because the mean of its divisors is an integer number (7313657190).

Almost surely, 2^51613523351 is an apocalyptic number.

51613523351 is a deficient number, since it is larger than the sum of its proper divisors (6895734169).

51613523351 is a wasteful number, since it uses less digits than its factorization.

51613523351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208961665.

The product of its digits is 40500, while the sum is 35.

The spelling of 51613523351 in words is "fifty-one billion, six hundred thirteen million, five hundred twenty-three thousand, three hundred fifty-one".