51832047653 has 4 divisors (see below), whose sum is σ = 51844696800. Its totient is φ = 51819398508.

The previous prime is 51832047637. The next prime is 51832047703. The reversal of 51832047653 is 35674023815.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51832047653 - 2⁴ = 51832047637 is a prime.

It is a super-2 number, since 2×51832047653² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51832047613) 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, 6318425 + ... + 6326622.

It is an arithmetic number, because the mean of its divisors is an integer number (12961174200).

Almost surely, 2^51832047653 is an apocalyptic number.

It is an amenable number.

51832047653 is a deficient number, since it is larger than the sum of its proper divisors (12649147).

51832047653 is a wasteful number, since it uses less digits than its factorization.

51832047653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12649146.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 51832047653 in words is "fifty-one billion, eight hundred thirty-two million, forty-seven thousand, six hundred fifty-three".