52020624 has 40 divisors (see below), whose sum is σ = 135428832. Its totient is φ = 17205760.

The previous prime is 52020607. The next prime is 52020643. The reversal of 52020624 is 42602025.

It is a super-2 number, since 2×52020624² = 5412290642698752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52020624.

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 7 ways as a sum of consecutive naturals, for example, 2152 + ... + 10424.

Almost surely, 2^52020624 is an apocalyptic number.

It is an amenable number.

52020624 is an abundant number, since it is smaller than the sum of its proper divisors (83408208).

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

52020624 is a wasteful number, since it uses less digits than its factorization.

52020624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8415 (or 8409 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 52020624 is about 7212.5324262703. The cubic root of 52020624 is about 373.3004548710.

Adding to 52020624 its reverse (42602025), we get a palindrome (94622649).

The spelling of 52020624 in words is "fifty-two million, twenty thousand, six hundred twenty-four".