5557638807 has 24 divisors (see below), whose sum is σ = 9240533120. Its totient is φ = 3152941200.

The previous prime is 5557638803. The next prime is 5557638809. The reversal of 5557638807 is 7088367555.

5557638807 is a `hidden beast` number, since 5 + 557 + 6 + 3 + 8 + 80 + 7 = 666.

It is not a de Polignac number, because 5557638807 - 2² = 5557638803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5557638803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308569 + ... + 326082.

Almost surely, 2^5557638807 is an apocalyptic number.

5557638807 is a deficient number, since it is larger than the sum of its proper divisors (3682894313).

5557638807 is a wasteful number, since it uses less digits than its factorization.

5557638807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634803 (or 634800 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 54.

The square root of 5557638807 is about 74549.5728156775. The cubic root of 5557638807 is about 1771.3189661388.

The spelling of 5557638807 in words is "five billion, five hundred fifty-seven million, six hundred thirty-eight thousand, eight hundred seven".