55581927601 has 24 divisors (see below), whose sum is σ = 60162286520. Its totient is φ = 51325747200.

The previous prime is 55581927563. The next prime is 55581927619. The reversal of 55581927601 is 10672918555.

55581927601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 26161445025 + 29420482576 = 161745^2 + 171524^2 .

It is not a de Polignac number, because 55581927601 - 2¹⁹ = 55581403313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55581927641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7418065 + ... + 7425553.

Almost surely, 2^55581927601 is an apocalyptic number.

It is an amenable number.

55581927601 is a deficient number, since it is larger than the sum of its proper divisors (4580358919).

55581927601 is a wasteful number, since it uses less digits than its factorization.

55581927601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8005 (or 7988 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 49.

The spelling of 55581927601 in words is "fifty-five billion, five hundred eighty-one million, nine hundred twenty-seven thousand, six hundred one".