555006001061 has 4 divisors (see below), whose sum is σ = 559242688224. Its totient is φ = 550769313900.

The previous prime is 555006001057. The next prime is 555006001091. The reversal of 555006001061 is 160100600555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 555006001061 - 2² = 555006001057 is a prime.

It is a super-2 number, since 2×555006001061² (a number of 24 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 (555006001091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2118343385 + ... + 2118343646.

It is an arithmetic number, because the mean of its divisors is an integer number (139810672056).

Almost surely, 2^555006001061 is an apocalyptic number.

It is an amenable number.

555006001061 is a deficient number, since it is larger than the sum of its proper divisors (4236687163).

555006001061 is a wasteful number, since it uses less digits than its factorization.

555006001061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4236687162.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 555006001061 in words is "five hundred fifty-five billion, six million, one thousand, sixty-one".