52118620 has 12 divisors (see below), whose sum is σ = 109449144. Its totient is φ = 20847440.

The previous prime is 52118611. The next prime is 52118669. The reversal of 52118620 is 2681125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302946 + ... + 1302985.

It is an arithmetic number, because the mean of its divisors is an integer number (9120762).

Almost surely, 2^52118620 is an apocalyptic number.

It is an amenable number.

52118620 is an abundant number, since it is smaller than the sum of its proper divisors (57330524).

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

52118620 is a wasteful number, since it uses less digits than its factorization.

52118620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605940 (or 2605938 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 52118620 is about 7219.3226829115. The cubic root of 52118620 is about 373.5347145527.

Adding to 52118620 its reverse (2681125), we get a palindrome (54799745).

It can be divided in two parts, 5211 and 8620, that added together give a palindrome (13831).

The spelling of 52118620 in words is "fifty-two million, one hundred eighteen thousand, six hundred twenty".