445255115553 has 48 divisors (see below), whose sum is σ = 652876224000. Its totient is φ = 292382141184.

The previous prime is 445255115491. The next prime is 445255115597. The reversal of 445255115553 is 355511552544.

445255115553 is a `hidden beast` number, since 4 + 4 + 525 + 5 + 115 + 5 + 5 + 3 = 666.

It is not a de Polignac number, because 445255115553 - 2¹⁴ = 445255099169 is a prime.

It is a super-2 number, since 2×445255115553² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 445255115499 and 445255115508.

It is not an unprimeable number, because it can be changed into a prime (445255115453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 281984718 + ... + 281986296.

It is an arithmetic number, because the mean of its divisors is an integer number (13601588000).

Almost surely, 2^445255115553 is an apocalyptic number.

It is an amenable number.

445255115553 is a deficient number, since it is larger than the sum of its proper divisors (207621108447).

445255115553 is a wasteful number, since it uses less digits than its factorization.

445255115553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206 (or 3203 counting only the distinct ones).

The product of its digits is 1500000, while the sum is 45.

It can be divided in two parts, 44525 and 5115553, that added together give a triangular number (5160078 = T₃₂₁₂).

The spelling of 445255115553 in words is "four hundred forty-five billion, two hundred fifty-five million, one hundred fifteen thousand, five hundred fifty-three".