55550555553 has 8 divisors (see below), whose sum is σ = 74134562688. Its totient is φ = 37000126064.

The previous prime is 55550555551. The next prime is 55550555573. The reversal of 55550555553 is 35555505555.

55550555553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55550555553 - 2¹ = 55550555551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55550555551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8390550 + ... + 8397167.

It is an arithmetic number, because the mean of its divisors is an integer number (9266820336).

Almost surely, 2^55550555553 is an apocalyptic number.

It is an amenable number.

55550555553 is a deficient number, since it is larger than the sum of its proper divisors (18584007135).

55550555553 is a wasteful number, since it uses less digits than its factorization.

55550555553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16788823.

The product of its (nonzero) digits is 5859375, while the sum is 48.

The spelling of 55550555553 in words is "fifty-five billion, five hundred fifty million, five hundred fifty-five thousand, five hundred fifty-three".