55626773 has 2 divisors, whose sum is σ = 55626774. Its totient is φ = 55626772.

The previous prime is 55626743. The next prime is 55626787. The reversal of 55626773 is 37762655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41049649 + 14577124 = 6407^2 + 3818^2 .

It is a cyclic number.

It is not a de Polignac number, because 55626773 - 2¹⁸ = 55364629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55626773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55626743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27813386 + 27813387.

It is an arithmetic number, because the mean of its divisors is an integer number (27813387).

Almost surely, 2^55626773 is an apocalyptic number.

It is an amenable number.

55626773 is a deficient number, since it is larger than the sum of its proper divisors (1).

55626773 is an equidigital number, since it uses as much as digits as its factorization.

55626773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264600, while the sum is 41.

The square root of 55626773 is about 7458.3358063311. The cubic root of 55626773 is about 381.7343918091.

The spelling of 55626773 in words is "fifty-five million, six hundred twenty-six thousand, seven hundred seventy-three".