51224457671 has 8 divisors (see below), whose sum is σ = 51325387344. Its totient is φ = 51123571200.

The previous prime is 51224457631. The next prime is 51224457679. The reversal of 51224457671 is 17675442215.

It is a happy number.

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 51224457671 - 2⁶ = 51224457607 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 (51224457679) 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, 3368441 + ... + 3383613.

It is an arithmetic number, because the mean of its divisors is an integer number (6415673418).

Almost surely, 2^51224457671 is an apocalyptic number.

51224457671 is a deficient number, since it is larger than the sum of its proper divisors (100929673).

51224457671 is a wasteful number, since it uses less digits than its factorization.

51224457671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21601.

The product of its digits is 470400, while the sum is 44.

Adding to 51224457671 its reverse (17675442215), we get a palindrome (68899899886).

The spelling of 51224457671 in words is "fifty-one billion, two hundred twenty-four million, four hundred fifty-seven thousand, six hundred seventy-one".