52177739 has 4 divisors (see below), whose sum is σ = 52247424. Its totient is φ = 52108056.

The previous prime is 52177729. The next prime is 52177759. The reversal of 52177739 is 93777125.

52177739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 52177739 - 2⁸ = 52177483 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52177696 and 52177705.

It is not an unprimeable number, because it can be changed into a prime (52177729) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 33707 + ... + 35220.

It is an arithmetic number, because the mean of its divisors is an integer number (13061856).

Almost surely, 2^52177739 is an apocalyptic number.

52177739 is a deficient number, since it is larger than the sum of its proper divisors (69685).

52177739 is an equidigital number, since it uses as much as digits as its factorization.

52177739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69684.

The product of its digits is 92610, while the sum is 41.

The square root of 52177739 is about 7223.4160201389. The cubic root of 52177739 is about 373.6758966891.

The spelling of 52177739 in words is "fifty-two million, one hundred seventy-seven thousand, seven hundred thirty-nine".