90653545 has 8 divisors (see below), whose sum is σ = 108879624. Its totient is φ = 72459264.

The previous prime is 90653533. The next prime is 90653561. The reversal of 90653545 is 54535609.

It can be written as a sum of positive squares in 4 ways, for example, as 48038761 + 42614784 = 6931^2 + 6528^2 .

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 90653545 - 2⁹ = 90653033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1144 + ... + 13513.

It is an arithmetic number, because the mean of its divisors is an integer number (13609953).

Almost surely, 2^90653545 is an apocalyptic number.

It is an amenable number.

90653545 is a deficient number, since it is larger than the sum of its proper divisors (18226079).

90653545 is a wasteful number, since it uses less digits than its factorization.

90653545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15899.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 90653545 is about 9521.2155211401. The cubic root of 90653545 is about 449.2226001591. Note that the first 3 decimals are identical.

The spelling of 90653545 in words is "ninety million, six hundred fifty-three thousand, five hundred forty-five".