55136303 has 2 divisors, whose sum is σ = 55136304. Its totient is φ = 55136302.

The previous prime is 55136269. The next prime is 55136329. The reversal of 55136303 is 30363155.

It is an a-pointer prime, because the next prime (55136329) can be obtained adding 55136303 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55136303 - 2⁶ = 55136239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55135303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27568151 + 27568152.

It is an arithmetic number, because the mean of its divisors is an integer number (27568152).

Almost surely, 2^55136303 is an apocalyptic number.

55136303 is a deficient number, since it is larger than the sum of its proper divisors (1).

55136303 is an equidigital number, since it uses as much as digits as its factorization.

55136303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 55136303 is about 7425.3823470580. The cubic root of 55136303 is about 380.6091407529.

Adding to 55136303 its reverse (30363155), we get a palindrome (85499458).

The spelling of 55136303 in words is "fifty-five million, one hundred thirty-six thousand, three hundred three".