51488495405 has 8 divisors (see below), whose sum is σ = 64472550912. Its totient is φ = 39399892048.

The previous prime is 51488495351. The next prime is 51488495413. The reversal of 51488495405 is 50459488415.

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 51488495405 - 2¹⁰ = 51488494381 is a prime.

It is a super-2 number, since 2×51488495405² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223862909 + ... + 223863138.

It is an arithmetic number, because the mean of its divisors is an integer number (8059068864).

Almost surely, 2^51488495405 is an apocalyptic number.

It is an amenable number.

51488495405 is a deficient number, since it is larger than the sum of its proper divisors (12984055507).

51488495405 is a wasteful number, since it uses less digits than its factorization.

51488495405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447726075.

The product of its (nonzero) digits is 4608000, while the sum is 53.

The spelling of 51488495405 in words is "fifty-one billion, four hundred eighty-eight million, four hundred ninety-five thousand, four hundred five".