90335057 has 4 divisors (see below), whose sum is σ = 90629616. Its totient is φ = 90040500.

The previous prime is 90335041. The next prime is 90335117. The reversal of 90335057 is 75053309.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75053309 = 7873 ⋅9533.

It is a cyclic number.

It is not a de Polignac number, because 90335057 - 2⁴ = 90335041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90335027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146819 + ... + 147432.

It is an arithmetic number, because the mean of its divisors is an integer number (22657404).

Almost surely, 2^90335057 is an apocalyptic number.

It is an amenable number.

90335057 is a deficient number, since it is larger than the sum of its proper divisors (294559).

90335057 is a wasteful number, since it uses less digits than its factorization.

90335057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294558.

The product of its (nonzero) digits is 14175, while the sum is 32.

The square root of 90335057 is about 9504.4756299335. The cubic root of 90335057 is about 448.6959067124.

The spelling of 90335057 in words is "ninety million, three hundred thirty-five thousand, fifty-seven".