52511020 has 12 divisors (see below), whose sum is σ = 110273184. Its totient is φ = 21004400.

The previous prime is 52511009. The next prime is 52511021. The reversal of 52511020 is 2011525.

It is a junction number, because it is equal to n+sod(n) for n = 52510985 and 52511003.

It is not an unprimeable number, because it can be changed into a prime (52511021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312756 + ... + 1312795.

It is an arithmetic number, because the mean of its divisors is an integer number (9189432).

Almost surely, 2^52511020 is an apocalyptic number.

It is an amenable number.

52511020 is an abundant number, since it is smaller than the sum of its proper divisors (57762164).

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

52511020 is a wasteful number, since it uses less digits than its factorization.

52511020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625560 (or 2625558 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 52511020 is about 7246.4487854397. The cubic root of 52511020 is about 374.4698166943.

Adding to 52511020 its reverse (2011525), we get a palindrome (54522545).

The spelling of 52511020 in words is "fifty-two million, five hundred eleven thousand, twenty".