52901920 has 48 divisors (see below), whose sum is σ = 125653248. Its totient is φ = 21047040.

The previous prime is 52901873. The next prime is 52901929. The reversal of 52901920 is 2910925.

It is a super-2 number, since 2×52901920² = 5597226279372800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52901929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32977 + ... + 34543.

It is an arithmetic number, because the mean of its divisors is an integer number (2617776).

Almost surely, 2^52901920 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 52901920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62826624).

52901920 is an abundant number, since it is smaller than the sum of its proper divisors (72751328).

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

52901920 is a wasteful number, since it uses less digits than its factorization.

52901920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793 (or 1785 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 52901920 is about 7273.3706079094. The cubic root of 52901920 is about 375.3967238495.

The spelling of 52901920 in words is "fifty-two million, nine hundred one thousand, nine hundred twenty".