52963690 has 32 divisors (see below), whose sum is σ = 104093136. Its totient is φ = 19284480.

The previous prime is 52963681. The next prime is 52963709. The reversal of 52963690 is 9636925.

It can be written as a sum of positive squares in 8 ways, for example, as 10361961 + 42601729 = 3219^2 + 6527^2 .

It is a super-2 number, since 2×52963690² = 5610304916832200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6700 + ... + 12280.

Almost surely, 2^52963690 is an apocalyptic number.

52963690 is a deficient number, since it is larger than the sum of its proper divisors (51129446).

52963690 is a wasteful number, since it uses less digits than its factorization.

52963690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5674.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 52963690 is about 7277.6156809768. The cubic root of 52963690 is about 375.5427754885.

The spelling of 52963690 in words is "fifty-two million, nine hundred sixty-three thousand, six hundred ninety".