5640064552 has 8 divisors (see below), whose sum is σ = 10575121050. Its totient is φ = 2820032272.

The previous prime is 5640064541. The next prime is 5640064553. The reversal of 5640064552 is 2554600465.

It can be written as a sum of positive squares in only one way, i.e., 3875560516 + 1764504036 = 62254^2 + 42006^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5640064553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352504027 + ... + 352504042.

Almost surely, 2^5640064552 is an apocalyptic number.

It is an amenable number.

5640064552 is a deficient number, since it is larger than the sum of its proper divisors (4935056498).

5640064552 is a wasteful number, since it uses less digits than its factorization.

5640064552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705008075 (or 705008071 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 5640064552 is about 75100.3631948608. The cubic root of 5640064552 is about 1780.0328816044.

The spelling of 5640064552 in words is "five billion, six hundred forty million, sixty-four thousand, five hundred fifty-two".