5505346638 has 24 divisors (see below), whose sum is σ = 13012637976. Its totient is φ = 1668286800.

The previous prime is 5505346579. The next prime is 5505346643. The reversal of 5505346638 is 8366435055.

5505346638 is a `hidden beast` number, since 5 + 5 + 0 + 5 + 3 + 4 + 6 + 638 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 5505346593 and 5505346602.

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, 13902193 + ... + 13902588.

It is an arithmetic number, because the mean of its divisors is an integer number (542193249).

Almost surely, 2^5505346638 is an apocalyptic number.

5505346638 is an abundant number, since it is smaller than the sum of its proper divisors (7507291338).

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

5505346638 is a wasteful number, since it uses less digits than its factorization.

5505346638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27804800 (or 27804797 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The square root of 5505346638 is about 74198.0231407819. The cubic root of 5505346638 is about 1765.7459671016.

The spelling of 5505346638 in words is "five billion, five hundred five million, three hundred forty-six thousand, six hundred thirty-eight".