52946920 has 128 divisors (see below), whose sum is σ = 141523200. Its totient is φ = 17639424.

The previous prime is 52946911. The next prime is 52946921. The reversal of 52946920 is 2964925.

It is a self number, because there is not a number n which added to its sum of digits gives 52946920.

It is not an unprimeable number, because it can be changed into a prime (52946921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227124 + ... + 227356.

It is an arithmetic number, because the mean of its divisors is an integer number (1105650).

Almost surely, 2^52946920 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 52946920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70761600).

52946920 is an abundant number, since it is smaller than the sum of its proper divisors (88576280).

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

52946920 is a wasteful number, since it uses less digits than its factorization.

52946920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 52946920 is about 7276.4634266929. The cubic root of 52946920 is about 375.5031350155.

The spelling of 52946920 in words is "fifty-two million, nine hundred forty-six thousand, nine hundred twenty".