5505618438 has 24 divisors (see below), whose sum is σ = 12370649928. Its totient is φ = 1835205984.

The previous prime is 5505618413. The next prime is 5505618527. The reversal of 5505618438 is 8348165055.

5505618438 is a `hidden beast` number, since 5 + 5 + 0 + 561 + 84 + 3 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 5505618393 and 5505618402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5663731 + ... + 5664702.

It is an arithmetic number, because the mean of its divisors is an integer number (515443747).

Almost surely, 2^5505618438 is an apocalyptic number.

5505618438 is an abundant number, since it is smaller than the sum of its proper divisors (6865031490).

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

5505618438 is a wasteful number, since it uses less digits than its factorization.

5505618438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11328450 (or 11328438 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The square root of 5505618438 is about 74199.8547033618. The cubic root of 5505618438 is about 1765.7750250271.

The spelling of 5505618438 in words is "five billion, five hundred five million, six hundred eighteen thousand, four hundred thirty-eight".