64553346 has 96 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 17452800.

The previous prime is 64553329. The next prime is 64553351. The reversal of 64553346 is 64335546.

64553346 is a `hidden beast` number, since 64 + 553 + 3 + 46 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 64553346.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79390 + ... + 80198.

It is an arithmetic number, because the mean of its divisors is an integer number (1769040).

Almost surely, 2^64553346 is an apocalyptic number.

64553346 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 64553346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84913920).

64553346 is an abundant number, since it is smaller than the sum of its proper divisors (105274494).

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

64553346 is a wasteful number, since it uses less digits than its factorization.

64553346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 869 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 64553346 is about 8034.5096925699. The cubic root of 64553346 is about 401.1494976403.

It can be divided in two parts, 6455 and 3346, that added together give a square (9801 = 99²).

The spelling of 64553346 in words is "sixty-four million, five hundred fifty-three thousand, three hundred forty-six".