90553711 has 2 divisors, whose sum is σ = 90553712. Its totient is φ = 90553710.

The previous prime is 90553709. The next prime is 90553721. The reversal of 90553711 is 11735509.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90553711 - 2¹ = 90553709 is a prime.

Together with 90553709, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90553721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45276855 + 45276856.

It is an arithmetic number, because the mean of its divisors is an integer number (45276856).

Almost surely, 2^90553711 is an apocalyptic number.

90553711 is a deficient number, since it is larger than the sum of its proper divisors (1).

90553711 is an equidigital number, since it uses as much as digits as its factorization.

90553711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 90553711 is about 9515.9713639754. The cubic root of 90553711 is about 449.0576345115.

The spelling of 90553711 in words is "ninety million, five hundred fifty-three thousand, seven hundred eleven".