55335503 has 2 divisors, whose sum is σ = 55335504. Its totient is φ = 55335502.

The previous prime is 55335499. The next prime is 55335529. The reversal of 55335503 is 30553355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55335503 - 2² = 55335499 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55335803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27667751 + 27667752.

It is an arithmetic number, because the mean of its divisors is an integer number (27667752).

Almost surely, 2^55335503 is an apocalyptic number.

55335503 is a deficient number, since it is larger than the sum of its proper divisors (1).

55335503 is an equidigital number, since it uses as much as digits as its factorization.

55335503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16875, while the sum is 29.

The square root of 55335503 is about 7438.7837043431. The cubic root of 55335503 is about 381.0669529602.

Adding to 55335503 its reverse (30553355), we get a palindrome (85888858).

The spelling of 55335503 in words is "fifty-five million, three hundred thirty-five thousand, five hundred three".