52263720 has 48 divisors (see below), whose sum is σ = 169858260. Its totient is φ = 13936896.

The previous prime is 52263707. The next prime is 52263727. The reversal of 52263720 is 2736225.

52263720 is a `hidden beast` number, since 5 + 2 + 2 + 637 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 47361924 + 4901796 = 6882^2 + 2214^2 .

It is not an unprimeable number, because it can be changed into a prime (52263727) 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, 72229 + ... + 72948.

Almost surely, 2^52263720 is an apocalyptic number.

It is an amenable number.

52263720 is an abundant number, since it is smaller than the sum of its proper divisors (117594540).

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

52263720 is a wasteful number, since it uses less digits than its factorization.

52263720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145194 (or 145187 counting only the distinct ones).

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

The square root of 52263720 is about 7229.3651173530. The cubic root of 52263720 is about 373.8810377838.

Adding to 52263720 its reverse (2736225), we get a palindrome (54999945).

The spelling of 52263720 in words is "fifty-two million, two hundred sixty-three thousand, seven hundred twenty".