52804840 has 32 divisors (see below), whose sum is σ = 129612960. Its totient is φ = 19201600.

The previous prime is 52804837. The next prime is 52804841. The reversal of 52804840 is 4840825.

It is a super-2 number, since 2×52804840² = 5576702254851200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52804841) 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, 59566 + ... + 60445.

It is an arithmetic number, because the mean of its divisors is an integer number (4050405).

Almost surely, 2^52804840 is an apocalyptic number.

It is an amenable number.

52804840 is an abundant number, since it is smaller than the sum of its proper divisors (76808120).

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

52804840 is a wasteful number, since it uses less digits than its factorization.

52804840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120033 (or 120029 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 52804840 is about 7266.6938837411. The cubic root of 52804840 is about 375.1669538076.

The spelling of 52804840 in words is "fifty-two million, eight hundred four thousand, eight hundred forty".