64209054 has 64 divisors (see below), whose sum is σ = 164957184. Its totient is φ = 16194816.

The previous prime is 64209007. The next prime is 64209073. The reversal of 64209054 is 45090246.

It is a congruent number.

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, 10002 + ... + 15114.

It is an arithmetic number, because the mean of its divisors is an integer number (2577456).

Almost surely, 2^64209054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64209054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82478592).

64209054 is an abundant number, since it is smaller than the sum of its proper divisors (100748130).

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

64209054 is a wasteful number, since it uses less digits than its factorization.

64209054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 64209054 is about 8013.0552225727. The cubic root of 64209054 is about 400.4350558112.

The spelling of 64209054 in words is "sixty-four million, two hundred nine thousand, fifty-four".