64552056 has 64 divisors (see below), whose sum is σ = 166924800. Its totient is φ = 20790528.

The previous prime is 64552049. The next prime is 64552069. The reversal of 64552056 is 65025546.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100071 + ... + 100713.

It is an arithmetic number, because the mean of its divisors is an integer number (2608200).

Almost surely, 2^64552056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64552056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83462400).

64552056 is an abundant number, since it is smaller than the sum of its proper divisors (102372744).

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

64552056 is a wasteful number, since it uses less digits than its factorization.

64552056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 64552056 is about 8034.4294134680. The cubic root of 64552056 is about 401.1468255025.

The spelling of 64552056 in words is "sixty-four million, five hundred fifty-two thousand, fifty-six".