51053131438 has 8 divisors (see below), whose sum is σ = 77022354888. Its totient is φ = 25379013144.

The previous prime is 51053131343. The next prime is 51053131439. The reversal of 51053131438 is 83413135015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51053131439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73775856 + ... + 73776547.

It is an arithmetic number, because the mean of its divisors is an integer number (9627794361).

Almost surely, 2^51053131438 is an apocalyptic number.

51053131438 is a deficient number, since it is larger than the sum of its proper divisors (25969223450).

51053131438 is a wasteful number, since it uses less digits than its factorization.

51053131438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147552578.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 51053131438 in words is "fifty-one billion, fifty-three million, one hundred thirty-one thousand, four hundred thirty-eight".