5644001545 has 64 divisors (see below), whose sum is σ = 8568000000. Its totient is φ = 3546402048.

The previous prime is 5644001521. The next prime is 5644001563. The reversal of 5644001545 is 5451004465.

It is not a de Polignac number, because 5644001545 - 2⁷ = 5644001417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5644001545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3321106 + ... + 3322804.

It is an arithmetic number, because the mean of its divisors is an integer number (133875000).

Almost surely, 2^5644001545 is an apocalyptic number.

It is an amenable number.

5644001545 is a deficient number, since it is larger than the sum of its proper divisors (2923998455).

5644001545 is a wasteful number, since it uses less digits than its factorization.

5644001545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887 (or 1873 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 5644001545 is about 75126.5701666195. The cubic root of 5644001545 is about 1780.4469635678.

The spelling of 5644001545 in words is "five billion, six hundred forty-four million, one thousand, five hundred forty-five".