65585490 has 32 divisors (see below), whose sum is σ = 166665600. Its totient is φ = 16460544.

The previous prime is 65585477. The next prime is 65585503. The reversal of 65585490 is 9458556.

It is an interprime number because it is at equal distance from previous prime (65585477) and next prime (65585503).

It is a Curzon number.

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, 63790 + ... + 64809.

It is an arithmetic number, because the mean of its divisors is an integer number (5208300).

Almost surely, 2^65585490 is an apocalyptic number.

65585490 is an abundant number, since it is smaller than the sum of its proper divisors (101080110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65585490 is a wasteful number, since it uses less digits than its factorization.

65585490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128626.

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 65585490 is about 8098.4868957108. The cubic root of 65585490 is about 403.2761972355.

The spelling of 65585490 in words is "sixty-five million, five hundred eighty-five thousand, four hundred ninety".