51033535001 has 4 divisors (see below), whose sum is σ = 52793312100. Its totient is φ = 49273757904.

The previous prime is 51033534997. The next prime is 51033535009. The reversal of 51033535001 is 10053533015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31081690000 + 19951845001 = 176300^2 + 141251^2 .

It is a cyclic number.

It is not a de Polignac number, because 51033535001 - 2² = 51033534997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51033535009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 879888506 + ... + 879888563.

It is an arithmetic number, because the mean of its divisors is an integer number (13198328025).

Almost surely, 2^51033535001 is an apocalyptic number.

It is an amenable number.

51033535001 is a deficient number, since it is larger than the sum of its proper divisors (1759777099).

51033535001 is a wasteful number, since it uses less digits than its factorization.

51033535001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759777098.

The product of its (nonzero) digits is 3375, while the sum is 26.

The spelling of 51033535001 in words is "fifty-one billion, thirty-three million, five hundred thirty-five thousand, one".