52373440 has 112 divisors (see below), whose sum is σ = 144548352. Its totient is φ = 17703936.

The previous prime is 52373429. The next prime is 52373459. The reversal of 52373440 is 4437325.

52373440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 52373399 and 52373408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230607 + ... + 230833.

Almost surely, 2^52373440 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 52373440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72274176).

52373440 is an abundant number, since it is smaller than the sum of its proper divisors (92174912).

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

52373440 is a wasteful number, since it uses less digits than its factorization.

52373440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 52373440 is about 7236.9496336509. The cubic root of 52373440 is about 374.1424910072.

The spelling of 52373440 in words is "fifty-two million, three hundred seventy-three thousand, four hundred forty".