51171548398 has 8 divisors (see below), whose sum is σ = 76766011560. Its totient is φ = 25582877880.

The previous prime is 51171548371. The next prime is 51171548399. The reversal of 51171548398 is 89384517115.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51171548399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1426008 + ... + 1461451.

It is an arithmetic number, because the mean of its divisors is an integer number (9595751445).

Almost surely, 2^51171548398 is an apocalyptic number.

51171548398 is a deficient number, since it is larger than the sum of its proper divisors (25594463162).

51171548398 is a wasteful number, since it uses less digits than its factorization.

51171548398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896322.

The product of its digits is 1209600, while the sum is 52.

The spelling of 51171548398 in words is "fifty-one billion, one hundred seventy-one million, five hundred forty-eight thousand, three hundred ninety-eight".