55550555430 has 32 divisors (see below), whose sum is σ = 133874551008. Its totient is φ = 14752012800.

The previous prime is 55550555311. The next prime is 55550555441. The reversal of 55550555430 is 3455505555.

55550555430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3834441 + ... + 3848900.

It is an arithmetic number, because the mean of its divisors is an integer number (4183579719).

Almost surely, 2^55550555430 is an apocalyptic number.

55550555430 is an abundant number, since it is smaller than the sum of its proper divisors (78323995578).

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

55550555430 is a wasteful number, since it uses less digits than its factorization.

55550555430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7683592.

The product of its (nonzero) digits is 937500, while the sum is 42.

The spelling of 55550555430 in words is "fifty-five billion, five hundred fifty million, five hundred fifty-five thousand, four hundred thirty".