52757550 has 36 divisors (see below), whose sum is σ = 141743160. Its totient is φ = 14068560.

The previous prime is 52757531. The next prime is 52757581. The reversal of 52757550 is 5575725.

52757550 is a `hidden beast` number, since 52 + 7 + 57 + 550 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 58170 + ... + 59069.

It is an arithmetic number, because the mean of its divisors is an integer number (3937310).

Almost surely, 2^52757550 is an apocalyptic number.

52757550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52757550 is an abundant number, since it is smaller than the sum of its proper divisors (88985610).

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

52757550 is a wasteful number, since it uses less digits than its factorization.

52757550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117257 (or 117249 counting only the distinct ones).

The product of its (nonzero) digits is 61250, while the sum is 36.

The square root of 52757550 is about 7263.4392680052. The cubic root of 52757550 is about 375.0549252882.

The spelling of 52757550 in words is "fifty-two million, seven hundred fifty-seven thousand, five hundred fifty".