90455595 has 16 divisors (see below), whose sum is σ = 146357280. Its totient is φ = 47700224.

The previous prime is 90455581. The next prime is 90455597. The reversal of 90455595 is 59555409.

90455595 = T₁₃₈₁ + T₁₃₈₂ + ... + T₁₄₆₉.

It is a cyclic number.

It is not a de Polignac number, because 90455595 - 2⁴ = 90455579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90455597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32544 + ... + 35213.

It is an arithmetic number, because the mean of its divisors is an integer number (9147330).

Almost surely, 2^90455595 is an apocalyptic number.

90455595 is a deficient number, since it is larger than the sum of its proper divisors (55901685).

90455595 is a wasteful number, since it uses less digits than its factorization.

90455595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67854.

The product of its (nonzero) digits is 202500, while the sum is 42.

The square root of 90455595 is about 9510.8146338786. The cubic root of 90455595 is about 448.8953895077.

The spelling of 90455595 in words is "ninety million, four hundred fifty-five thousand, five hundred ninety-five".