5055406638 has 16 divisors (see below), whose sum is σ = 10128972240. Its totient is φ = 1682109056.

The previous prime is 5055406613. The next prime is 5055406687. The reversal of 5055406638 is 8366045505.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5055406638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753003 + ... + 759686.

It is an arithmetic number, because the mean of its divisors is an integer number (633060765).

Almost surely, 2^5055406638 is an apocalyptic number.

5055406638 is an abundant number, since it is smaller than the sum of its proper divisors (5073565602).

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

5055406638 is a wasteful number, since it uses less digits than its factorization.

5055406638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513251.

The product of its (nonzero) digits is 432000, while the sum is 42.

The square root of 5055406638 is about 71101.3828135571. The cubic root of 5055406638 is about 1716.2690262624.

The spelling of 5055406638 in words is "five billion, fifty-five million, four hundred six thousand, six hundred thirty-eight".