52755590 has 32 divisors (see below), whose sum is σ = 105844320. Its totient is φ = 18814464.

The previous prime is 52755587. The next prime is 52755613. The reversal of 52755590 is 9555725.

52755590 = 363² + 364² + ... + 590².

52755590 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 (38).

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 15 ways as a sum of consecutive naturals, for example, 4937 + ... + 11396.

It is an arithmetic number, because the mean of its divisors is an integer number (3307635).

Almost surely, 2^52755590 is an apocalyptic number.

52755590 is an abundant number, since it is smaller than the sum of its proper divisors (53088730).

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

52755590 is a wasteful number, since it uses less digits than its factorization.

52755590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16376.

The product of its (nonzero) digits is 78750, while the sum is 38.

The square root of 52755590 is about 7263.3043444427. The cubic root of 52755590 is about 375.0502806654.

The spelling of 52755590 in words is "fifty-two million, seven hundred fifty-five thousand, five hundred ninety".