90500501 has 24 divisors (see below), whose sum is σ = 117057024. Its totient is φ = 69279840.

The previous prime is 90500467. The next prime is 90500533. The reversal of 90500501 is 10500509.

It is not a de Polignac number, because 90500501 - 2¹⁴ = 90484117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90500551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17456 + ... + 22038.

It is an arithmetic number, because the mean of its divisors is an integer number (4877376).

Almost surely, 2^90500501 is an apocalyptic number.

90500501 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

90500501 is a deficient number, since it is larger than the sum of its proper divisors (26556523).

90500501 is a wasteful number, since it uses less digits than its factorization.

90500501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641 (or 4634 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 90500501 is about 9513.1751271592. The cubic root of 90500501 is about 448.9696607989.

The spelling of 90500501 in words is "ninety million, five hundred thousand, five hundred one".