52551414656321 has 32 divisors (see below), whose sum is σ = 61597810790400. Its totient is φ = 44814028342608.

The previous prime is 52551414656287. The next prime is 52551414656347. The reversal of 52551414656321 is 12365641415525.

It is not a de Polignac number, because 52551414656321 - 2³⁰ = 52550340914497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52551414656321.

It is not an unprimeable number, because it can be changed into a prime (52551414656381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110559050 + ... + 111033356.

It is an arithmetic number, because the mean of its divisors is an integer number (1924931587200).

Almost surely, 2^{52551414656321} is an apocalyptic number.

It is an amenable number.

52551414656321 is a deficient number, since it is larger than the sum of its proper divisors (9046396134079).

52551414656321 is a wasteful number, since it uses less digits than its factorization.

52551414656321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475978 (or 475964 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 50.

The spelling of 52551414656321 in words is "fifty-two trillion, five hundred fifty-one billion, four hundred fourteen million, six hundred fifty-six thousand, three hundred twenty-one".