5545657026 has 144 divisors (see below), whose sum is σ = 15100767864. Its totient is φ = 1457906688.

The previous prime is 5545657021. The next prime is 5545657027. The reversal of 5545657026 is 6207565455.

5545657026 is a `hidden beast` number, since 5 + 5 + 4 + 56 + 570 + 26 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1155932001 + 4389725025 = 33999^2 + 66255^2 .

It is not an unprimeable number, because it can be changed into a prime (5545657021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4964220 + ... + 4965336.

Almost surely, 2^5545657026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5545657026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7550383932).

5545657026 is an abundant number, since it is smaller than the sum of its proper divisors (9555110838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5545657026 is a wasteful number, since it uses less digits than its factorization.

5545657026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585 (or 1575 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

The square root of 5545657026 is about 74469.1682913137. The cubic root of 5545657026 is about 1770.0451142384.

The spelling of 5545657026 in words is "five billion, five hundred forty-five million, six hundred fifty-seven thousand, twenty-six".