5647642100 has 18 divisors (see below), whose sum is σ = 12255383574. Its totient is φ = 2259056800.

The previous prime is 5647642081. The next prime is 5647642159. The reversal of 5647642100 is 12467465.

It can be written as a sum of positive squares in 3 ways, for example, as 321269776 + 5326372324 = 17924^2 + 72982^2 .

It is a super-2 number, since 2×5647642100² = 63791722579384820000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28238111 + ... + 28238310.

It is an arithmetic number, because the mean of its divisors is an integer number (680854643).

Almost surely, 2^5647642100 is an apocalyptic number.

5647642100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5647642100 is an abundant number, since it is smaller than the sum of its proper divisors (6607741474).

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

5647642100 is a wasteful number, since it uses less digits than its factorization.

5647642100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56476435 (or 56476428 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 5647642100 is about 75150.7957376367. The cubic root of 5647642100 is about 1780.8296956824.

The spelling of 5647642100 in words is "five billion, six hundred forty-seven million, six hundred forty-two thousand, one hundred".