52256505 has 32 divisors (see below), whose sum is σ = 95846400. Its totient is φ = 23815872.

The previous prime is 52256489. The next prime is 52256507. The reversal of 52256505 is 50565225.

It is not a de Polignac number, because 52256505 - 2⁴ = 52256489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52256507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49776 + ... + 50814.

It is an arithmetic number, because the mean of its divisors is an integer number (2995200).

Almost surely, 2^52256505 is an apocalyptic number.

It is an amenable number.

52256505 is a deficient number, since it is larger than the sum of its proper divisors (43589895).

52256505 is a wasteful number, since it uses less digits than its factorization.

52256505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 52256505 is about 7228.8660936554. The cubic root of 52256505 is about 373.8638322485.

The spelling of 52256505 in words is "fifty-two million, two hundred fifty-six thousand, five hundred five".