90855635 has 16 divisors (see below), whose sum is σ = 122520384. Its totient is φ = 64175232.

The previous prime is 90855629. The next prime is 90855641. The reversal of 90855635 is 53655809.

It is an interprime number because it is at equal distance from previous prime (90855629) and next prime (90855641).

It is a cyclic number.

It is not a de Polignac number, because 90855635 - 2⁴ = 90855619 is a prime.

It is a super-2 number, since 2×90855635² = 16509492822506450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90855592 and 90855601.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28892 + ... + 31881.

It is an arithmetic number, because the mean of its divisors is an integer number (7657524).

Almost surely, 2^90855635 is an apocalyptic number.

90855635 is a deficient number, since it is larger than the sum of its proper divisors (31664749).

90855635 is a wasteful number, since it uses less digits than its factorization.

90855635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60814.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 90855635 is about 9531.8222287242. The cubic root of 90855635 is about 449.5561632090.

The spelling of 90855635 in words is "ninety million, eight hundred fifty-five thousand, six hundred thirty-five".