5645539277 has 16 divisors (see below), whose sum is σ = 6577562880. Its totient is φ = 4745000832.

The previous prime is 5645539261. The next prime is 5645539337. The reversal of 5645539277 is 7729355465.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5645539277 - 2⁴ = 5645539261 is a prime.

It is a super-2 number, since 2×5645539277² = 63744227456299365458, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645533277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884624 + ... + 890982.

It is an arithmetic number, because the mean of its divisors is an integer number (411097680).

Almost surely, 2^5645539277 is an apocalyptic number.

It is an amenable number.

5645539277 is a deficient number, since it is larger than the sum of its proper divisors (932023603).

5645539277 is a wasteful number, since it uses less digits than its factorization.

5645539277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8812.

The product of its digits is 7938000, while the sum is 53.

The square root of 5645539277 is about 75136.8037449025. The cubic root of 5645539277 is about 1780.6086456439.

The spelling of 5645539277 in words is "five billion, six hundred forty-five million, five hundred thirty-nine thousand, two hundred seventy-seven".