64511952 has 40 divisors (see below), whose sum is σ = 167176800. Its totient is φ = 21436800.

The previous prime is 64511947. The next prime is 64511963. The reversal of 64511952 is 25911546.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14827 + ... + 18677.

It is an arithmetic number, because the mean of its divisors is an integer number (4179420).

Almost surely, 2^64511952 is an apocalyptic number.

It is an amenable number.

64511952 is an abundant number, since it is smaller than the sum of its proper divisors (102664848).

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

64511952 is a wasteful number, since it uses less digits than its factorization.

64511952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211 (or 4205 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

The square root of 64511952 is about 8031.9332666550. The cubic root of 64511952 is about 401.0637353269.

The spelling of 64511952 in words is "sixty-four million, five hundred eleven thousand, nine hundred fifty-two".