52237620 has 36 divisors (see below), whose sum is σ = 158454660. Its totient is φ = 13929984.

The previous prime is 52237609. The next prime is 52237621. The reversal of 52237620 is 2673225.

52237620 is a `hidden beast` number, since 5 + 2 + 2 + 37 + 620 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15586704 + 36650916 = 3948^2 + 6054^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52237621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144925 + ... + 145284.

Almost surely, 2^52237620 is an apocalyptic number.

It is an amenable number.

52237620 is an abundant number, since it is smaller than the sum of its proper divisors (106217040).

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

52237620 is a wasteful number, since it uses less digits than its factorization.

52237620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290224 (or 290219 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 52237620 is about 7227.5597541632. The cubic root of 52237620 is about 373.8187898870.

The spelling of 52237620 in words is "fifty-two million, two hundred thirty-seven thousand, six hundred twenty".