56385555558365 has 32 divisors (see below), whose sum is σ = 75046720320000. Its totient is φ = 40324874990400.

The previous prime is 56385555558341. The next prime is 56385555558373.

56385555558365 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56385555558365 - 2⁶ = 56385555558301 is a prime.

It is a super-2 number, since 2×56385555558365² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56385555558292 and 56385555558301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11294615 + ... + 15502884.

It is an arithmetic number, because the mean of its divisors is an integer number (2345210010000).

Almost surely, 2^{56385555558365} is an apocalyptic number.

56385555558365 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56385555558365 is a deficient number, since it is larger than the sum of its proper divisors (18661164761635).

56385555558365 is a wasteful number, since it uses less digits than its factorization.

56385555558365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26798153.

The product of its digits is 8100000000, while the sum is 74.

The spelling of 56385555558365 in words is "fifty-six trillion, three hundred eighty-five billion, five hundred fifty-five million, five hundred fifty-eight thousand, three hundred sixty-five".