5557997555 has 8 divisors (see below), whose sum is σ = 7275924144. Its totient is φ = 4042180000.

The previous prime is 5557997507. The next prime is 5557997563.

5557997555 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5557997555 - 2⁶ = 5557997491 is a prime.

It is a Duffinian 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, 50527196 + ... + 50527305.

It is an arithmetic number, because the mean of its divisors is an integer number (909490518).

Almost surely, 2^5557997555 is an apocalyptic number.

5557997555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5557997555 is a deficient number, since it is larger than the sum of its proper divisors (1717926589).

5557997555 is a wasteful number, since it uses less digits than its factorization.

5557997555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101054517.

The product of its digits is 62015625, while the sum is 62.

The square root of 5557997555 is about 74551.9788805099. The cubic root of 5557997555 is about 1771.3570784551.

The spelling of 5557997555 in words is "five billion, five hundred fifty-seven million, nine hundred ninety-seven thousand, five hundred fifty-five".