64420050 has 24 divisors (see below), whose sum is σ = 159762096. Its totient is φ = 17178640.

The previous prime is 64420043. The next prime is 64420067. The reversal of 64420050 is 5002446.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 64419999 and 64420026.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214584 + ... + 214883.

It is an arithmetic number, because the mean of its divisors is an integer number (6656754).

Almost surely, 2^64420050 is an apocalyptic number.

64420050 is an abundant number, since it is smaller than the sum of its proper divisors (95342046).

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

64420050 is a wasteful number, since it uses less digits than its factorization.

64420050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429482 (or 429477 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 64420050 is about 8026.2101891241. The cubic root of 64420050 is about 400.8731965989.

Adding to 64420050 its reverse (5002446), we get a palindrome (69422496).

The spelling of 64420050 in words is "sixty-four million, four hundred twenty thousand, fifty".