52661610 has 32 divisors (see below), whose sum is σ = 140431680. Its totient is φ = 14043024.

The previous prime is 52661603. The next prime is 52661639. The reversal of 52661610 is 1616625.

It is a happy number.

52661610 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 Curzon 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, 97252 + ... + 97791.

It is an arithmetic number, because the mean of its divisors is an integer number (4388490).

Almost surely, 2^52661610 is an apocalyptic number.

52661610 is an abundant number, since it is smaller than the sum of its proper divisors (87770070).

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

52661610 is a wasteful number, since it uses less digits than its factorization.

52661610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195059 (or 195053 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 52661610 is about 7256.8319534078. The cubic root of 52661610 is about 374.8274406075.

The spelling of 52661610 in words is "fifty-two million, six hundred sixty-one thousand, six hundred ten".