85552990357 has 2 divisors, whose sum is σ = 85552990358. Its totient is φ = 85552990356.

The previous prime is 85552990351. The next prime is 85552990363. The reversal of 85552990357 is 75309925558.

It is a balanced prime because it is at equal distance from previous prime (85552990351) and next prime (85552990363).

It can be written as a sum of positive squares in only one way, i.e., 85520568721 + 32421636 = 292439^2 + 5694^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85552990357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85552990351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42776495178 + 42776495179.

It is an arithmetic number, because the mean of its divisors is an integer number (42776495179).

Almost surely, 2^85552990357 is an apocalyptic number.

It is an amenable number.

85552990357 is a deficient number, since it is larger than the sum of its proper divisors (1).

85552990357 is an equidigital number, since it uses as much as digits as its factorization.

85552990357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010000, while the sum is 58.

The spelling of 85552990357 in words is "eighty-five billion, five hundred fifty-two million, nine hundred ninety thousand, three hundred fifty-seven".