65530450 has 24 divisors (see below), whose sum is σ = 127188288. Its totient is φ = 25072080.

The previous prime is 65530447. The next prime is 65530453. The reversal of 65530450 is 5403556.

It is an interprime number because it is at equal distance from previous prime (65530447) and next prime (65530453).

It is not an unprimeable number, because it can be changed into a prime (65530453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27342 + ... + 29641.

It is an arithmetic number, because the mean of its divisors is an integer number (5299512).

Almost surely, 2^65530450 is an apocalyptic number.

65530450 is a deficient number, since it is larger than the sum of its proper divisors (61657838).

65530450 is a wasteful number, since it uses less digits than its factorization.

65530450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57018 (or 57013 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 65530450 is about 8095.0880168161. The cubic root of 65530450 is about 403.1633545223.

The spelling of 65530450 in words is "sixty-five million, five hundred thirty thousand, four hundred fifty".