554055503 has 2 divisors, whose sum is σ = 554055504. Its totient is φ = 554055502.

The previous prime is 554055499. The next prime is 554055539. The reversal of 554055503 is 305550455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 554055503 - 2² = 554055499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 554055503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554055583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277027751 + 277027752.

It is an arithmetic number, because the mean of its divisors is an integer number (277027752).

Almost surely, 2^554055503 is an apocalyptic number.

554055503 is a deficient number, since it is larger than the sum of its proper divisors (1).

554055503 is an equidigital number, since it uses as much as digits as its factorization.

554055503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37500, while the sum is 32.

The square root of 554055503 is about 23538.3836106050. The cubic root of 554055503 is about 821.3301349739.

The spelling of 554055503 in words is "five hundred fifty-four million, fifty-five thousand, five hundred three".