52923740 has 24 divisors (see below), whose sum is σ = 116990160. Its totient is φ = 20055168.

The previous prime is 52923719. The next prime is 52923749. The reversal of 52923740 is 4732925.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 52923697 and 52923706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52923749) 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, 69257 + ... + 70016.

It is an arithmetic number, because the mean of its divisors is an integer number (4874590).

Almost surely, 2^52923740 is an apocalyptic number.

It is an amenable number.

52923740 is an abundant number, since it is smaller than the sum of its proper divisors (64066420).

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

52923740 is a wasteful number, since it uses less digits than its factorization.

52923740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139301 (or 139299 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 52923740 is about 7274.8704455818. The cubic root of 52923740 is about 375.4483289746.

The spelling of 52923740 in words is "fifty-two million, nine hundred twenty-three thousand, seven hundred forty".