55005061001 has 12 divisors (see below), whose sum is σ = 60536074116. Its totient is φ = 49941772320.

The previous prime is 55005060997. The next prime is 55005061019. The reversal of 55005061001 is 10016050055.

It can be written as a sum of positive squares in 2 ways, for example, as 43405555600 + 11599505401 = 208340^2 + 107701^2 .

It is not a de Polignac number, because 55005061001 - 2² = 55005060997 is a prime.

It is a super-2 number, since 2×55005061001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55005061031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188750 + ... + 381623.

It is an arithmetic number, because the mean of its divisors is an integer number (5044672843).

Almost surely, 2^55005061001 is an apocalyptic number.

It is an amenable number.

55005061001 is a deficient number, since it is larger than the sum of its proper divisors (5531013115).

55005061001 is a wasteful number, since it uses less digits than its factorization.

55005061001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571192 (or 571181 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 55005061001 in words is "fifty-five billion, five million, sixty-one thousand, one".