51233047453 has 12 divisors (see below), whose sum is σ = 59618224092. Its totient is φ = 43898863680.

The previous prime is 51233047447. The next prime is 51233047499. The reversal of 51233047453 is 35474033215.

It can be written as a sum of positive squares in 2 ways, for example, as 46043718084 + 5189329369 = 214578^2 + 72037^2 .

It is not a de Polignac number, because 51233047453 - 2¹³ = 51233039261 is a prime.

It is a super-3 number, since 3×51233047453³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51233048453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36288 + ... + 322153.

It is an arithmetic number, because the mean of its divisors is an integer number (4968185341).

Almost surely, 2^51233047453 is an apocalyptic number.

It is an amenable number.

51233047453 is a deficient number, since it is larger than the sum of its proper divisors (8385176639).

51233047453 is a wasteful number, since it uses less digits than its factorization.

51233047453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361372 (or 361365 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 37.

The spelling of 51233047453 in words is "fifty-one billion, two hundred thirty-three million, forty-seven thousand, four hundred fifty-three".