90060555 has 32 divisors (see below), whose sum is σ = 156050496. Its totient is φ = 44089344.

The previous prime is 90060547. The next prime is 90060563. The reversal of 90060555 is 55506009.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90060547) and next prime (90060563).

It is not a de Polignac number, because 90060555 - 2³ = 90060547 is a prime.

It is a super-2 number, since 2×90060555² = 16221807133816050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36439 + ... + 38831.

It is an arithmetic number, because the mean of its divisors is an integer number (4876578).

Almost surely, 2^90060555 is an apocalyptic number.

90060555 is a deficient number, since it is larger than the sum of its proper divisors (65989941).

90060555 is a wasteful number, since it uses less digits than its factorization.

90060555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607.

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 90060555 is about 9490.0239725725. The cubic root of 90060555 is about 448.2409600722.

The spelling of 90060555 in words is "ninety million, sixty thousand, five hundred fifty-five".