52254620 has 72 divisors (see below), whose sum is σ = 125420400. Its totient is φ = 18135040.

The previous prime is 52254611. The next prime is 52254637. The reversal of 52254620 is 2645225.

It is a super-3 number, since 3×52254620³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 52254620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116156 + ... + 116604.

It is an arithmetic number, because the mean of its divisors is an integer number (1741950).

Almost surely, 2^52254620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52254620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62710200).

52254620 is an abundant number, since it is smaller than the sum of its proper divisors (73165780).

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

52254620 is a wasteful number, since it uses less digits than its factorization.

52254620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 52254620 is about 7228.7357124189. The cubic root of 52254620 is about 373.8593368478.

Adding to 52254620 its reverse (2645225), we get a palindrome (54899845).

The spelling of 52254620 in words is "fifty-two million, two hundred fifty-four thousand, six hundred twenty".