55153512503 has 2 divisors, whose sum is σ = 55153512504. Its totient is φ = 55153512502.

The previous prime is 55153512497. The next prime is 55153512517. The reversal of 55153512503 is 30521535155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55153512503 - 2⁶ = 55153512439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55153512553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27576756251 + 27576756252.

It is an arithmetic number, because the mean of its divisors is an integer number (27576756252).

Almost surely, 2^55153512503 is an apocalyptic number.

55153512503 is a deficient number, since it is larger than the sum of its proper divisors (1).

55153512503 is an equidigital number, since it uses as much as digits as its factorization.

55153512503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56250, while the sum is 35.

The spelling of 55153512503 in words is "fifty-five billion, one hundred fifty-three million, five hundred twelve thousand, five hundred three".