555144979801 has 8 divisors (see below), whose sum is σ = 571542920840. Its totient is φ = 538820408448.

The previous prime is 555144979729. The next prime is 555144979811. The reversal of 555144979801 is 108979441555.

It can be written as a sum of positive squares in 4 ways, for example, as 361633849600 + 193511130201 = 601360^2 + 439899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 555144979801 - 2¹³ = 555144971609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555144979811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18327066 + ... + 18357331.

It is an arithmetic number, because the mean of its divisors is an integer number (71442865105).

Almost surely, 2^555144979801 is an apocalyptic number.

It is an amenable number.

555144979801 is a deficient number, since it is larger than the sum of its proper divisors (16397941039).

555144979801 is a wasteful number, since it uses less digits than its factorization.

555144979801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36684843.

The product of its (nonzero) digits is 9072000, while the sum is 58.

The spelling of 555144979801 in words is "five hundred fifty-five billion, one hundred forty-four million, nine hundred seventy-nine thousand, eight hundred one".