90546497 has 8 divisors (see below), whose sum is σ = 94041000. Its totient is φ = 87076864.

The previous prime is 90546481. The next prime is 90546541. The reversal of 90546497 is 79464509.

It can be written as a sum of positive squares in 4 ways, for example, as 69239041 + 21307456 = 8321^2 + 4616^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90546497 - 2⁴ = 90546481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90546427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379 + ... + 13527.

It is an arithmetic number, because the mean of its divisors is an integer number (11755125).

Almost surely, 2^90546497 is an apocalyptic number.

It is an amenable number.

90546497 is a deficient number, since it is larger than the sum of its proper divisors (3494503).

90546497 is a wasteful number, since it uses less digits than its factorization.

90546497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12435.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 90546497 is about 9515.5923094677. The cubic root of 90546497 is about 449.0457094055.

It can be divided in two parts, 9054 and 6497, that added together give a palindrome (15551).

The spelling of 90546497 in words is "ninety million, five hundred forty-six thousand, four hundred ninety-seven".