64555145352 has 96 divisors (see below), whose sum is σ = 177226433280. Its totient is φ = 21225922560.

The previous prime is 64555145323. The next prime is 64555145363. The reversal of 64555145352 is 25354155546.

64555145352 is a `hidden beast` number, since 6 + 4 + 5 + 551 + 45 + 3 + 52 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 64555145298 and 64555145307.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1888977 + ... + 1922847.

It is an arithmetic number, because the mean of its divisors is an integer number (1846108680).

Almost surely, 2^64555145352 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 64555145352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88613216640).

64555145352 is an abundant number, since it is smaller than the sum of its proper divisors (112671287928).

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

64555145352 is a wasteful number, since it uses less digits than its factorization.

64555145352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34243 (or 34236 counting only the distinct ones).

The product of its digits is 1800000, while the sum is 45.

The spelling of 64555145352 in words is "sixty-four billion, five hundred fifty-five million, one hundred forty-five thousand, three hundred fifty-two".