52570620 has 144 divisors (see below), whose sum is σ = 171531360. Its totient is φ = 13499136.

The previous prime is 52570619. The next prime is 52570621. The reversal of 52570620 is 2607525.

52570620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52570619) and next prime (52570621).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52570621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140754 + ... + 141126.

It is an arithmetic number, because the mean of its divisors is an integer number (1191190).

Almost surely, 2^52570620 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 52570620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85765680).

52570620 is an abundant number, since it is smaller than the sum of its proper divisors (118960740).

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

52570620 is a wasteful number, since it uses less digits than its factorization.

52570620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 52570620 is about 7250.5599783741. The cubic root of 52570620 is about 374.6114375236.

The spelling of 52570620 in words is "fifty-two million, five hundred seventy thousand, six hundred twenty".