90552899 has 2 divisors, whose sum is σ = 90552900. Its totient is φ = 90552898.

The previous prime is 90552893. The next prime is 90552901. The reversal of 90552899 is 99825509.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90552899 - 2¹² = 90548803 is a prime.

Together with 90552901, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90552893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45276449 + 45276450.

It is an arithmetic number, because the mean of its divisors is an integer number (45276450).

Almost surely, 2^90552899 is an apocalyptic number.

90552899 is a deficient number, since it is larger than the sum of its proper divisors (1).

90552899 is an equidigital number, since it uses as much as digits as its factorization.

90552899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 47.

The square root of 90552899 is about 9515.9286987661. The cubic root of 90552899 is about 449.0562922661.

The spelling of 90552899 in words is "ninety million, five hundred fifty-two thousand, eight hundred ninety-nine".