52623540 has 192 divisors, whose sum is σ = 180633600. Its totient is φ = 12659328.

The previous prime is 52623539. The next prime is 52623547. The reversal of 52623540 is 4532625.

52623540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52623547) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 235869 + ... + 236091.

It is an arithmetic number, because the mean of its divisors is an integer number (940800).

Almost surely, 2^52623540 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 52623540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90316800).

52623540 is an abundant number, since it is smaller than the sum of its proper divisors (128010060).

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

52623540 is a wasteful number, since it uses less digits than its factorization.

52623540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 52623540 is about 7254.2084337300. The cubic root of 52623540 is about 374.7370957267.

The spelling of 52623540 in words is "fifty-two million, six hundred twenty-three thousand, five hundred forty".