52610040 has 128 divisors (see below), whose sum is σ = 200448000. Its totient is φ = 12023424.

The previous prime is 52610021. The next prime is 52610057. The reversal of 52610040 is 4001625.

It is a happy number.

52610040 is a `hidden beast` number, since 52 + 610 + 0 + 4 + 0 = 666.

52610040 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 52609995 and 52610022.

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 31 ways as a sum of consecutive naturals, for example, 4081 + ... + 11039.

It is an arithmetic number, because the mean of its divisors is an integer number (1566000).

Almost surely, 2^52610040 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 52610040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100224000).

52610040 is an abundant number, since it is smaller than the sum of its proper divisors (147837960).

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

52610040 is a wasteful number, since it uses less digits than its factorization.

52610040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6986 (or 6976 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 52610040 is about 7253.2778796900. The cubic root of 52610040 is about 374.7050480698.

Adding to 52610040 its reverse (4001625), we get a palindrome (56611665).

The spelling of 52610040 in words is "fifty-two million, six hundred ten thousand, forty".