55319035903 has 2 divisors, whose sum is σ = 55319035904. Its totient is φ = 55319035902.

The previous prime is 55319035831. The next prime is 55319035913. The reversal of 55319035903 is 30953091355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55319035903 - 2¹³ = 55319027711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55319035903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55319035913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27659517951 + 27659517952.

It is an arithmetic number, because the mean of its divisors is an integer number (27659517952).

Almost surely, 2^55319035903 is an apocalyptic number.

55319035903 is a deficient number, since it is larger than the sum of its proper divisors (1).

55319035903 is an equidigital number, since it uses as much as digits as its factorization.

55319035903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 273375, while the sum is 43.

The spelling of 55319035903 in words is "fifty-five billion, three hundred nineteen million, thirty-five thousand, nine hundred three".