5555561026 has 32 divisors (see below), whose sum is σ = 8934243840. Its totient is φ = 2586038400.

The previous prime is 5555561021. The next prime is 5555561147. The reversal of 5555561026 is 6201655555.

It is a super-2 number, since 2×5555561026² = 61728516627220345352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5555561026.

It is not an unprimeable number, because it can be changed into a prime (5555561021) 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, 190561 + ... + 217771.

It is an arithmetic number, because the mean of its divisors is an integer number (279195120).

Almost surely, 2^5555561026 is an apocalyptic number.

5555561026 is a deficient number, since it is larger than the sum of its proper divisors (3378682814).

5555561026 is a wasteful number, since it uses less digits than its factorization.

5555561026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27370.

The product of its (nonzero) digits is 225000, while the sum is 40.

The square root of 5555561026 is about 74535.6359468409. The cubic root of 5555561026 is about 1771.0981966256.

The spelling of 5555561026 in words is "five billion, five hundred fifty-five million, five hundred sixty-one thousand, twenty-six".