52785755 has 16 divisors (see below), whose sum is σ = 69552864. Its totient is φ = 38138880.

The previous prime is 52785739. The next prime is 52785763. The reversal of 52785755 is 55758725.

It is not a de Polignac number, because 52785755 - 2⁴ = 52785739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5579 + ... + 11691.

It is an arithmetic number, because the mean of its divisors is an integer number (4347054).

Almost surely, 2^52785755 is an apocalyptic number.

52785755 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52785755 is a deficient number, since it is larger than the sum of its proper divisors (16767109).

52785755 is a wasteful number, since it uses less digits than its factorization.

52785755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6286.

The product of its digits is 490000, while the sum is 44.

The square root of 52785755 is about 7265.3805819104. The cubic root of 52785755 is about 375.1217500971.

The spelling of 52785755 in words is "fifty-two million, seven hundred eighty-five thousand, seven hundred fifty-five".