51325245564403 has 8 divisors (see below), whose sum is σ = 51372506418480. Its totient is φ = 51278006351520.

The previous prime is 51325245564379. The next prime is 51325245564433. The reversal of 51325245564403 is 30446554252315.

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 51325245564403 - 2¹⁷ = 51325245433331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51325245564433) 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, 662908 + ... + 10153321.

It is an arithmetic number, because the mean of its divisors is an integer number (6421563302310).

Almost surely, 2^{51325245564403} is an apocalyptic number.

51325245564403 is a deficient number, since it is larger than the sum of its proper divisors (47260854077).

51325245564403 is a wasteful number, since it uses less digits than its factorization.

51325245564403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10820597.

The product of its (nonzero) digits is 8640000, while the sum is 49.

The spelling of 51325245564403 in words is "fifty-one trillion, three hundred twenty-five billion, two hundred forty-five million, five hundred sixty-four thousand, four hundred three".