5655221201725 has 24 divisors (see below), whose sum is σ = 7208013503592. Its totient is φ = 4399533465600.

The previous prime is 5655221201701. The next prime is 5655221201803. The reversal of 5655221201725 is 5271021225565.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 910539625284 + 4744681576441 = 954222^2 + 2178229^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5655221201725 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18735636 + ... + 19035085.

It is an arithmetic number, because the mean of its divisors is an integer number (300333895983).

Almost surely, 2^{5655221201725} is an apocalyptic number.

It is an amenable number.

5655221201725 is a deficient number, since it is larger than the sum of its proper divisors (1552792301867).

5655221201725 is a wasteful number, since it uses less digits than its factorization.

5655221201725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37770897 (or 37770892 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 43.

The spelling of 5655221201725 in words is "five trillion, six hundred fifty-five billion, two hundred twenty-one million, two hundred one thousand, seven hundred twenty-five".