52966620 has 144 divisors (see below), whose sum is σ = 185622528. Its totient is φ = 11975040.

The previous prime is 52966609. The next prime is 52966621. The reversal of 52966620 is 2666925.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52966621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 159855 + ... + 160185.

Almost surely, 2^52966620 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 52966620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92811264).

52966620 is an abundant number, since it is smaller than the sum of its proper divisors (132655908).

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

52966620 is a wasteful number, since it uses less digits than its factorization.

52966620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 52966620 is about 7277.8169803864. The cubic root of 52966620 is about 375.5497004846.

The spelling of 52966620 in words is "fifty-two million, nine hundred sixty-six thousand, six hundred twenty".