5551056618 has 16 divisors (see below), whose sum is σ = 11186863776. Its totient is φ = 1836227120.

The previous prime is 5551056617. The next prime is 5551056619. The reversal of 5551056618 is 8166501555.

It is an interprime number because it is at equal distance from previous prime (5551056617) and next prime (5551056619).

It is a self number, because there is not a number n which added to its sum of digits gives 5551056618.

It is not an unprimeable number, because it can be changed into a prime (5551056611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3530421 + ... + 3531992.

It is an arithmetic number, because the mean of its divisors is an integer number (699178986).

Almost surely, 2^5551056618 is an apocalyptic number.

5551056618 is an abundant number, since it is smaller than the sum of its proper divisors (5635807158).

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

5551056618 is a wasteful number, since it uses less digits than its factorization.

5551056618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7062549.

The product of its (nonzero) digits is 180000, while the sum is 42.

The square root of 5551056618 is about 74505.4133469508. The cubic root of 5551056618 is about 1770.6194027396.

The spelling of 5551056618 in words is "five billion, five hundred fifty-one million, fifty-six thousand, six hundred eighteen".