55051010011001 has 4 divisors (see below), whose sum is σ = 55054075742052. Its totient is φ = 55047944279952.

The previous prime is 55051010010977. The next prime is 55051010011037. The reversal of 55051010011001 is 10011001015055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53236008282601 + 1815001728400 = 7296301^2 + 1347220^2 .

It is a cyclic number.

It is not a de Polignac number, because 55051010011001 - 2¹⁰ = 55051010009977 is a prime.

It is a super-2 number, since 2×55051010011001² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55051010011091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1532838590 + ... + 1532874503.

It is an arithmetic number, because the mean of its divisors is an integer number (13763518935513).

Almost surely, 2^{55051010011001} is an apocalyptic number.

It is an amenable number.

55051010011001 is a deficient number, since it is larger than the sum of its proper divisors (3065731051).

55051010011001 is a wasteful number, since it uses less digits than its factorization.

55051010011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065731050.

The product of its (nonzero) digits is 125, while the sum is 20.

Adding to 55051010011001 its reverse (10011001015055), we get a palindrome (65062011026056).

The spelling of 55051010011001 in words is "fifty-five trillion, fifty-one billion, ten million, eleven thousand, one".