55473403 has 2 divisors, whose sum is σ = 55473404. Its totient is φ = 55473402.

The previous prime is 55473359. The next prime is 55473413. The reversal of 55473403 is 30437455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55473403 - 2¹³ = 55465211 is a prime.

It is not a weakly prime, because it can be changed into another prime (55473413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27736701 + 27736702.

It is an arithmetic number, because the mean of its divisors is an integer number (27736702).

Almost surely, 2^55473403 is an apocalyptic number.

55473403 is a deficient number, since it is larger than the sum of its proper divisors (1).

55473403 is an equidigital number, since it uses as much as digits as its factorization.

55473403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 55473403 is about 7448.0469252013. The cubic root of 55473403 is about 381.3832389987.

The spelling of 55473403 in words is "fifty-five million, four hundred seventy-three thousand, four hundred three".