55356763510281 has 8 divisors (see below), whose sum is σ = 73907298999424. Its totient is φ = 36855368514000.

The previous prime is 55356763510261. The next prime is 55356763510337. The reversal of 55356763510281 is 18201536765355.

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

It is a de Polignac number, because none of the positive numbers 2^k-55356763510281 is a prime.

It is a super-2 number, since 2×55356763510281² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55356763510231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12285120586 + ... + 12285125091.

It is an arithmetic number, because the mean of its divisors is an integer number (9238412374928).

Almost surely, 2^{55356763510281} is an apocalyptic number.

It is an amenable number.

55356763510281 is a deficient number, since it is larger than the sum of its proper divisors (18550535489143).

55356763510281 is a wasteful number, since it uses less digits than its factorization.

55356763510281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24570246431.

The product of its (nonzero) digits is 22680000, while the sum is 57.

The spelling of 55356763510281 in words is "fifty-five trillion, three hundred fifty-six billion, seven hundred sixty-three million, five hundred ten thousand, two hundred eighty-one".