55511056001 has 2 divisors, whose sum is σ = 55511056002. Its totient is φ = 55511056000.

The previous prime is 55511055907. The next prime is 55511056021. The reversal of 55511056001 is 10065011555.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55319510401 + 191545600 = 235201^2 + 13840^2 .

It is a cyclic number.

It is not a de Polignac number, because 55511056001 - 2²⁶ = 55443947137 is a prime.

It is a super-2 number, since 2×55511056001² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55511056021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755528000 + 27755528001.

It is an arithmetic number, because the mean of its divisors is an integer number (27755528001).

Almost surely, 2^55511056001 is an apocalyptic number.

It is an amenable number.

55511056001 is a deficient number, since it is larger than the sum of its proper divisors (1).

55511056001 is an equidigital number, since it uses as much as digits as its factorization.

55511056001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3750, while the sum is 29.

Adding to 55511056001 its reverse (10065011555), we get a palindrome (65576067556).

The spelling of 55511056001 in words is "fifty-five billion, five hundred eleven million, fifty-six thousand, one".