55424903 has 2 divisors, whose sum is σ = 55424904. Its totient is φ = 55424902.

The previous prime is 55424867. The next prime is 55424923. The reversal of 55424903 is 30942455.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55424903 - 2¹⁴ = 55408519 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 55424903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55424923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27712451 + 27712452.

It is an arithmetic number, because the mean of its divisors is an integer number (27712452).

Almost surely, 2^55424903 is an apocalyptic number.

55424903 is a deficient number, since it is larger than the sum of its proper divisors (1).

55424903 is an equidigital number, since it uses as much as digits as its factorization.

55424903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 55424903 is about 7444.7903261274. The cubic root of 55424903 is about 381.2720597108.

The spelling of 55424903 in words is "fifty-five million, four hundred twenty-four thousand, nine hundred three".