55777555303 has 2 divisors, whose sum is σ = 55777555304. Its totient is φ = 55777555302.

The previous prime is 55777555243. The next prime is 55777555313. The reversal of 55777555303 is 30355577755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55777555303 - 2¹⁷ = 55777424231 is a prime.

It is a super-2 number, since 2×55777555303² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55777555313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27888777651 + 27888777652.

It is an arithmetic number, because the mean of its divisors is an integer number (27888777652).

Almost surely, 2^55777555303 is an apocalyptic number.

55777555303 is a deficient number, since it is larger than the sum of its proper divisors (1).

55777555303 is an equidigital number, since it uses as much as digits as its factorization.

55777555303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9646875, while the sum is 52.

The spelling of 55777555303 in words is "fifty-five billion, seven hundred seventy-seven million, five hundred fifty-five thousand, three hundred three".