52854440 has 32 divisors (see below), whose sum is σ = 119184480. Its totient is φ = 21095232.

The previous prime is 52854413. The next prime is 52854449. The reversal of 52854440 is 4445825.

It is a junction number, because it is equal to n+sod(n) for n = 52854397 and 52854406.

It is not an unprimeable number, because it can be changed into a prime (52854449) 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, 21347 + ... + 23693.

It is an arithmetic number, because the mean of its divisors is an integer number (3724515).

Almost surely, 2^52854440 is an apocalyptic number.

It is an amenable number.

52854440 is an abundant number, since it is smaller than the sum of its proper divisors (66330040).

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

52854440 is a wasteful number, since it uses less digits than its factorization.

52854440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921 (or 2917 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 52854440 is about 7270.1059139465. The cubic root of 52854440 is about 375.2843828011.

The spelling of 52854440 in words is "fifty-two million, eight hundred fifty-four thousand, four hundred forty".