90520463 has 12 divisors (see below), whose sum is σ = 102191880. Its totient is φ = 80063280.

The previous prime is 90520459. The next prime is 90520481. The reversal of 90520463 is 36402509.

It is not a de Polignac number, because 90520463 - 2² = 90520459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90520063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5633 + ... + 14586.

It is an arithmetic number, because the mean of its divisors is an integer number (8515990).

Almost surely, 2^90520463 is an apocalyptic number.

90520463 is a deficient number, since it is larger than the sum of its proper divisors (11671417).

90520463 is a wasteful number, since it uses less digits than its factorization.

90520463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20278 (or 20267 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 90520463 is about 9514.2242458332. The cubic root of 90520463 is about 449.0026686217.

The spelling of 90520463 in words is "ninety million, five hundred twenty thousand, four hundred sixty-three".