52661750 has 32 divisors (see below), whose sum is σ = 104390208. Its totient is φ = 19824000.

The previous prime is 52661747. The next prime is 52661759. The reversal of 52661750 is 5716625.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52661759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1946 + ... + 10445.

It is an arithmetic number, because the mean of its divisors is an integer number (3262194).

Almost surely, 2^52661750 is an apocalyptic number.

52661750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52661750 is a deficient number, since it is larger than the sum of its proper divisors (51728458).

52661750 is a wasteful number, since it uses less digits than its factorization.

52661750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12425 (or 12415 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 52661750 is about 7256.8415994839. The cubic root of 52661750 is about 374.8277727647.

The spelling of 52661750 in words is "fifty-two million, six hundred sixty-one thousand, seven hundred fifty".