51045540550213 has 8 divisors (see below), whose sum is σ = 56981068521696. Its totient is φ = 45325849959600.

The previous prime is 51045540550177. The next prime is 51045540550217. The reversal of 51045540550213 is 31205504554015.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51045540550213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51045540550217) 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, 53959344718 + ... + 53959345663.

It is an arithmetic number, because the mean of its divisors is an integer number (7122633565212).

Almost surely, 2^{51045540550213} is an apocalyptic number.

It is an amenable number.

51045540550213 is a deficient number, since it is larger than the sum of its proper divisors (5935527971483).

51045540550213 is a wasteful number, since it uses less digits than its factorization.

51045540550213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107918690435.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 51045540550213 in words is "fifty-one trillion, forty-five billion, five hundred forty million, five hundred fifty thousand, two hundred thirteen".