52023620 has 24 divisors (see below), whose sum is σ = 119181888. Its totient is φ = 18917600.

The previous prime is 52023613. The next prime is 52023623. The reversal of 52023620 is 2632025.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 52023592 and 52023601.

It is not an unprimeable number, because it can be changed into a prime (52023623) by changing a digit.

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, 118016 + ... + 118455.

It is an arithmetic number, because the mean of its divisors is an integer number (4965912).

Almost surely, 2^52023620 is an apocalyptic number.

It is an amenable number.

52023620 is an abundant number, since it is smaller than the sum of its proper divisors (67158268).

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

52023620 is a wasteful number, since it uses less digits than its factorization.

52023620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236491 (or 236489 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 52023620 is about 7212.7401173202. The cubic root of 52023620 is about 373.3076211742.

Adding to 52023620 its reverse (2632025), we get a palindrome (54655645).

The spelling of 52023620 in words is "fifty-two million, twenty-three thousand, six hundred twenty".