90648655 has 8 divisors (see below), whose sum is σ = 110402352. Its totient is φ = 71436288.

The previous prime is 90648617. The next prime is 90648661. The reversal of 90648655 is 55684609.

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 90648655 - 2¹⁹ = 90124367 is a prime.

It is a Duffinian number.

It is a congruent 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, 134962 + ... + 135631.

It is an arithmetic number, because the mean of its divisors is an integer number (13800294).

Almost surely, 2^90648655 is an apocalyptic number.

90648655 is a deficient number, since it is larger than the sum of its proper divisors (19753697).

90648655 is a wasteful number, since it uses less digits than its factorization.

90648655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270665.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 90648655 is about 9520.9587227338. The cubic root of 90648655 is about 449.2145227474.

The spelling of 90648655 in words is "ninety million, six hundred forty-eight thousand, six hundred fifty-five".