52739940 has 96 divisors (see below), whose sum is σ = 165110400. Its totient is φ = 12467200.

The previous prime is 52739927. The next prime is 52739941. The reversal of 52739940 is 4993725.

It is not an unprimeable number, because it can be changed into a prime (52739941) 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, 26086 + ... + 28034.

It is an arithmetic number, because the mean of its divisors is an integer number (1719900).

Almost surely, 2^52739940 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 52739940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82555200).

52739940 is an abundant number, since it is smaller than the sum of its proper divisors (112370460).

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

52739940 is a wasteful number, since it uses less digits than its factorization.

52739940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013 (or 2011 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 52739940 is about 7262.2269311830. The cubic root of 52739940 is about 375.0131906471.

The spelling of 52739940 in words is "fifty-two million, seven hundred thirty-nine thousand, nine hundred forty".