51544879253 has 8 divisors (see below), whose sum is σ = 58991525760. Its totient is φ = 44119005840.

The previous prime is 51544879249. The next prime is 51544879259. The reversal of 51544879253 is 35297844515.

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

It is not a de Polignac number, because 51544879253 - 2² = 51544879249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51544879195 and 51544879204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51544879259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5187953 + ... + 5197878.

It is an arithmetic number, because the mean of its divisors is an integer number (7373940720).

Almost surely, 2^51544879253 is an apocalyptic number.

It is an amenable number.

51544879253 is a deficient number, since it is larger than the sum of its proper divisors (7446646507).

51544879253 is a wasteful number, since it uses less digits than its factorization.

51544879253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10386547.

The product of its digits is 6048000, while the sum is 53.

The spelling of 51544879253 in words is "fifty-one billion, five hundred forty-four million, eight hundred seventy-nine thousand, two hundred fifty-three".