64552544 has 24 divisors (see below), whose sum is σ = 145243728. Its totient is φ = 27665280.

The previous prime is 64552541. The next prime is 64552567. The reversal of 64552544 is 44525546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64552541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143867 + ... + 144314.

It is an arithmetic number, because the mean of its divisors is an integer number (6051822).

Almost surely, 2^64552544 is an apocalyptic number.

It is an amenable number.

64552544 is an abundant number, since it is smaller than the sum of its proper divisors (80691184).

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

64552544 is a wasteful number, since it uses less digits than its factorization.

64552544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288198 (or 288190 counting only the distinct ones).

The product of its digits is 96000, while the sum is 35.

The square root of 64552544 is about 8034.4597827110. The cubic root of 64552544 is about 401.1478363619.

The spelling of 64552544 in words is "sixty-four million, five hundred fifty-two thousand, five hundred forty-four".