52286720 has 36 divisors (see below), whose sum is σ = 125246100. Its totient is φ = 20914176.

The previous prime is 52286693. The next prime is 52286749. The reversal of 52286720 is 2768225.

It can be written as a sum of positive squares in 2 ways, for example, as 27206656 + 25080064 = 5216^2 + 5008^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19145 + ... + 21704.

Almost surely, 2^52286720 is an apocalyptic number.

It is an amenable number.

52286720 is an abundant number, since it is smaller than the sum of its proper divisors (72959380).

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

52286720 is an equidigital number, since it uses as much as digits as its factorization.

52286720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40870 (or 40856 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 52286720 is about 7230.9556768106. The cubic root of 52286720 is about 373.9358750765.

The spelling of 52286720 in words is "fifty-two million, two hundred eighty-six thousand, seven hundred twenty".