51545520422 has 8 divisors (see below), whose sum is σ = 84347215272. Its totient is φ = 23429782000.

The previous prime is 51545520421. The next prime is 51545520427. The reversal of 51545520422 is 22402554515.

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 (51545520421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1171489079 + ... + 1171489122.

It is an arithmetic number, because the mean of its divisors is an integer number (10543401909).

Almost surely, 2^51545520422 is an apocalyptic number.

51545520422 is a deficient number, since it is larger than the sum of its proper divisors (32801694850).

51545520422 is a wasteful number, since it uses less digits than its factorization.

51545520422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342978214.

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 51545520422 in words is "fifty-one billion, five hundred forty-five million, five hundred twenty thousand, four hundred twenty-two".