52064550 has 144 divisors (see below), whose sum is σ = 148852080. Its totient is φ = 13029120.

The previous prime is 52064471. The next prime is 52064563. The reversal of 52064550 is 5546025.

52064550 is a `hidden beast` number, since 5 + 206 + 455 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 882421 + ... + 882479.

It is an arithmetic number, because the mean of its divisors is an integer number (1033695).

Almost surely, 2^52064550 is an apocalyptic number.

52064550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52064550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74426040).

52064550 is an abundant number, since it is smaller than the sum of its proper divisors (96787530).

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

52064550 is a wasteful number, since it uses less digits than its factorization.

52064550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 52064550 is about 7215.5769000129. The cubic root of 52064550 is about 373.4054964316.

The spelling of 52064550 in words is "fifty-two million, sixty-four thousand, five hundred fifty".