64353450 has 96 divisors (see below), whose sum is σ = 183988224. Its totient is φ = 14581440.

The previous prime is 64353431. The next prime is 64353461. The reversal of 64353450 is 5435346.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175167 + ... + 175533.

It is an arithmetic number, because the mean of its divisors is an integer number (1916544).

Almost surely, 2^64353450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64353450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91994112).

64353450 is an abundant number, since it is smaller than the sum of its proper divisors (119634774).

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

64353450 is a wasteful number, since it uses less digits than its factorization.

64353450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 64353450 is about 8022.0602091981. The cubic root of 64353450 is about 400.7350027668.

Adding to 64353450 its reverse (5435346), we get a palindrome (69788796).

The spelling of 64353450 in words is "sixty-four million, three hundred fifty-three thousand, four hundred fifty".