5445255081 has 16 divisors (see below), whose sum is σ = 8438169600. Its totient is φ = 3058835088.

The previous prime is 5445255073. The next prime is 5445255103. The reversal of 5445255081 is 1805525445.

It is not a de Polignac number, because 5445255081 - 2³ = 5445255073 is a prime.

It is a super-2 number, since 2×5445255081² = 59301605794312633122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5445255031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2196201 + ... + 2198678.

It is an arithmetic number, because the mean of its divisors is an integer number (527385600).

Almost surely, 2^5445255081 is an apocalyptic number.

It is an amenable number.

5445255081 is a deficient number, since it is larger than the sum of its proper divisors (2992914519).

5445255081 is a wasteful number, since it uses less digits than its factorization.

5445255081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394948.

The product of its (nonzero) digits is 160000, while the sum is 39.

The square root of 5445255081 is about 73791.9716568137. The cubic root of 5445255081 is about 1759.2980026860.

The spelling of 5445255081 in words is "five billion, four hundred forty-five million, two hundred fifty-five thousand, eighty-one".