51533254405 has 8 divisors (see below), whose sum is σ = 62219292192. Its totient is φ = 40973678928.

The previous prime is 51533254391. The next prime is 51533254427. The reversal of 51533254405 is 50445233515.

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 51533254405 - 2¹⁷ = 51533123333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31614679 + ... + 31616308.

It is an arithmetic number, because the mean of its divisors is an integer number (7777411524).

Almost surely, 2^51533254405 is an apocalyptic number.

It is an amenable number.

51533254405 is a deficient number, since it is larger than the sum of its proper divisors (10686037787).

51533254405 is a wasteful number, since it uses less digits than its factorization.

51533254405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63231155.

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 51533254405 in words is "fifty-one billion, five hundred thirty-three million, two hundred fifty-four thousand, four hundred five".