52161774 has 24 divisors (see below), whose sum is σ = 121356648. Its totient is φ = 14903280.

The previous prime is 52161773. The next prime is 52161779. The reversal of 52161774 is 47716125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52161773) 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 11 ways as a sum of consecutive naturals, for example, 88417 + ... + 89004.

It is an arithmetic number, because the mean of its divisors is an integer number (5056527).

Almost surely, 2^52161774 is an apocalyptic number.

52161774 is an abundant number, since it is smaller than the sum of its proper divisors (69194874).

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

52161774 is a wasteful number, since it uses less digits than its factorization.

52161774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177440 (or 177433 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 52161774 is about 7222.3108490289. The cubic root of 52161774 is about 373.6377811737.

Adding to 52161774 its reverse (47716125), we get a palindrome (99877899).

The spelling of 52161774 in words is "fifty-two million, one hundred sixty-one thousand, seven hundred seventy-four".