52161202 has 8 divisors (see below), whose sum is σ = 82844316. Its totient is φ = 24546432.

The previous prime is 52161181. The next prime is 52161203. The reversal of 52161202 is 20216125.

It can be written as a sum of positive squares in 2 ways, for example, as 51566761 + 594441 = 7181^2 + 771^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 52161202.

It is not an unprimeable number, because it can be changed into a prime (52161203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767043 + ... + 767110.

Almost surely, 2^52161202 is an apocalyptic number.

52161202 is a deficient number, since it is larger than the sum of its proper divisors (30683114).

52161202 is a wasteful number, since it uses less digits than its factorization.

52161202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534172.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 52161202 is about 7222.2712494062. The cubic root of 52161202 is about 373.6364154124.

Adding to 52161202 its reverse (20216125), we get a palindrome (72377327).

The spelling of 52161202 in words is "fifty-two million, one hundred sixty-one thousand, two hundred two".