55944011 has 2 divisors, whose sum is σ = 55944012. Its totient is φ = 55944010.

The previous prime is 55943983. The next prime is 55944019. The reversal of 55944011 is 11044955.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55944011 - 2⁶ = 55943947 is a prime.

It is a Chen prime.

It is equal to p_3335159 and since 55944011 and 3335159 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (55944019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27972005 + 27972006.

It is an arithmetic number, because the mean of its divisors is an integer number (27972006).

Almost surely, 2^55944011 is an apocalyptic number.

55944011 is a deficient number, since it is larger than the sum of its proper divisors (1).

55944011 is an equidigital number, since it uses as much as digits as its factorization.

55944011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 55944011 is about 7479.5729156149. The cubic root of 55944011 is about 382.4586903427.

Adding to 55944011 its reverse (11044955), we get a palindrome (66988966).

The spelling of 55944011 in words is "fifty-five million, nine hundred forty-four thousand, eleven".