90953803 has 2 divisors, whose sum is σ = 90953804. Its totient is φ = 90953802.

The previous prime is 90953761. The next prime is 90953809. The reversal of 90953803 is 30835909.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90953803 is a prime.

It is not a weakly prime, because it can be changed into another prime (90953809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45476901 + 45476902.

It is an arithmetic number, because the mean of its divisors is an integer number (45476902).

Almost surely, 2^90953803 is an apocalyptic number.

90953803 is a deficient number, since it is larger than the sum of its proper divisors (1).

90953803 is an equidigital number, since it uses as much as digits as its factorization.

90953803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 90953803 is about 9536.9703260522. The cubic root of 90953803 is about 449.7180175776.

The spelling of 90953803 in words is "ninety million, nine hundred fifty-three thousand, eight hundred three".