51024450545 has 8 divisors (see below), whose sum is σ = 61823800896. Its totient is φ = 40423253616.

The previous prime is 51024450541. The next prime is 51024450553. The reversal of 51024450545 is 54505442015.

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 51024450545 - 2² = 51024450541 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51024450541) 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, 49537787 + ... + 49538816.

It is an arithmetic number, because the mean of its divisors is an integer number (7727975112).

Almost surely, 2^51024450545 is an apocalyptic number.

It is an amenable number.

51024450545 is a deficient number, since it is larger than the sum of its proper divisors (10799350351).

51024450545 is a wasteful number, since it uses less digits than its factorization.

51024450545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99076711.

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

The spelling of 51024450545 in words is "fifty-one billion, twenty-four million, four hundred fifty thousand, five hundred forty-five".