52156783 has 4 divisors (see below), whose sum is σ = 59607760. Its totient is φ = 44705808.

The previous prime is 52156781. The next prime is 52156837. The reversal of 52156783 is 38765125.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 52156783 - 2¹ = 52156781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52156781) 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 3 ways as a sum of consecutive naturals, for example, 3725478 + ... + 3725491.

It is an arithmetic number, because the mean of its divisors is an integer number (14901940).

Almost surely, 2^52156783 is an apocalyptic number.

52156783 is a deficient number, since it is larger than the sum of its proper divisors (7450977).

52156783 is an equidigital number, since it uses as much as digits as its factorization.

52156783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7450976.

The product of its digits is 50400, while the sum is 37.

The square root of 52156783 is about 7221.9653142341. The cubic root of 52156783 is about 373.6258638537.

The spelling of 52156783 in words is "fifty-two million, one hundred fifty-six thousand, seven hundred eighty-three".