52369920 has 120 divisors (see below), whose sum is σ = 181451556. Its totient is φ = 13959168.

The previous prime is 52369901. The next prime is 52369921. The reversal of 52369920 is 2996325.

It can be written as a sum of positive squares in 2 ways, for example, as 51151104 + 1218816 = 7152^2 + 1104^2 .

It is a tau number, because it is divible by the number of its divisors (120).

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

It is not an unprimeable number, because it can be changed into a prime (52369921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21904 + ... + 24176.

Almost surely, 2^52369920 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 52369920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90725778).

52369920 is an abundant number, since it is smaller than the sum of its proper divisors (129081636).

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

52369920 is a wasteful number, since it uses less digits than its factorization.

52369920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 52369920 is about 7236.7064331780. The cubic root of 52369920 is about 374.1341088255.

The spelling of 52369920 in words is "fifty-two million, three hundred sixty-nine thousand, nine hundred twenty".