52047750 has 64 divisors (see below), whose sum is σ = 134447040. Its totient is φ = 13395200.

The previous prime is 52047733. The next prime is 52047763. The reversal of 52047750 is 5774025.

52047750 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 (30).

It is a Curzon number.

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, 20554 + ... + 22946.

It is an arithmetic number, because the mean of its divisors is an integer number (2100735).

Almost surely, 2^52047750 is an apocalyptic number.

52047750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52047750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67223520).

52047750 is an abundant number, since it is smaller than the sum of its proper divisors (82399290).

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

52047750 is a wasteful number, since it uses less digits than its factorization.

52047750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442 (or 2432 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 52047750 is about 7214.4126580062. The cubic root of 52047750 is about 373.3653290676.

The spelling of 52047750 in words is "fifty-two million, forty-seven thousand, seven hundred fifty".