5505531287 has 2 divisors, whose sum is σ = 5505531288. Its totient is φ = 5505531286.

The previous prime is 5505531259. The next prime is 5505531319. The reversal of 5505531287 is 7821355055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5505531287 - 2¹⁶ = 5505465751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5505531247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752765643 + 2752765644.

It is an arithmetic number, because the mean of its divisors is an integer number (2752765644).

Almost surely, 2^5505531287 is an apocalyptic number.

5505531287 is a deficient number, since it is larger than the sum of its proper divisors (1).

5505531287 is an equidigital number, since it uses as much as digits as its factorization.

5505531287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210000, while the sum is 41.

The square root of 5505531287 is about 74199.2674289982. The cubic root of 5505531287 is about 1765.7657078860.

The spelling of 5505531287 in words is "five billion, five hundred five million, five hundred thirty-one thousand, two hundred eighty-seven".