4255621731053 has 32 divisors (see below), whose sum is σ = 5460951429120. Its totient is φ = 3220419384000.

The previous prime is 4255621730947. The next prime is 4255621731107. The reversal of 4255621731053 is 3501371265524.

It is not a de Polignac number, because 4255621731053 - 2⁸ = 4255621730797 is a prime.

It is a super-2 number, since 2×4255621731053² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4255621730995 and 4255621731013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255621731953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5363303 + ... + 6105428.

It is an arithmetic number, because the mean of its divisors is an integer number (170654732160).

Almost surely, 2^{4255621731053} is an apocalyptic number.

It is an amenable number.

4255621731053 is a deficient number, since it is larger than the sum of its proper divisors (1205329698067).

4255621731053 is a wasteful number, since it uses less digits than its factorization.

4255621731053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11468889.

The product of its (nonzero) digits is 756000, while the sum is 44.

Adding to 4255621731053 its reverse (3501371265524), we get a palindrome (7756992996577).

The spelling of 4255621731053 in words is "four trillion, two hundred fifty-five billion, six hundred twenty-one million, seven hundred thirty-one thousand, fifty-three".