5625044579581 has 32 divisors (see below), whose sum is σ = 6509893386240. Its totient is φ = 4760894880000.

The previous prime is 5625044579569. The next prime is 5625044579599. The reversal of 5625044579581 is 1859754405265.

It is a happy number.

It is not a de Polignac number, because 5625044579581 - 2⁹ = 5625044579069 is a prime.

It is a super-2 number, since 2×5625044579581² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5625044579681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459143706 + ... + 459155956.

It is an arithmetic number, because the mean of its divisors is an integer number (203434168320).

Almost surely, 2^{5625044579581} is an apocalyptic number.

It is an amenable number.

5625044579581 is a deficient number, since it is larger than the sum of its proper divisors (884848806659).

5625044579581 is a wasteful number, since it uses less digits than its factorization.

5625044579581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14785.

The product of its (nonzero) digits is 60480000, while the sum is 61.

The spelling of 5625044579581 in words is "five trillion, six hundred twenty-five billion, forty-four million, five hundred seventy-nine thousand, five hundred eighty-one".