55374503 has 2 divisors, whose sum is σ = 55374504. Its totient is φ = 55374502.

The previous prime is 55374499. The next prime is 55374521. The reversal of 55374503 is 30547355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55374503 - 2² = 55374499 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55374503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55374103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27687251 + 27687252.

It is an arithmetic number, because the mean of its divisors is an integer number (27687252).

Almost surely, 2^55374503 is an apocalyptic number.

55374503 is a deficient number, since it is larger than the sum of its proper divisors (1).

55374503 is an equidigital number, since it uses as much as digits as its factorization.

55374503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 55374503 is about 7441.4046389106. The cubic root of 55374503 is about 381.1564562042.

The spelling of 55374503 in words is "fifty-five million, three hundred seventy-four thousand, five hundred three".